Impurity Reference Standard - Products

Semaglutide

CAT No: CL-SGTD-01 CAS No: 910463-68-2 Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: 4-Hydroxyquinoline-3-carboxylic Acid

Semaglutide Impurity 1

CAT No: CL-SGTD-02 CAS No: 23406-82-8 Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: ((Trp25-Hydroxybenzyl)-Semaglutide Tetratrifluoroacetate

Semaglutide Impurity 2

CAT No: CL-SGTD-03 CAS No: NA Mol Wt: 4012.5 Mol F: C183H284N44O57 Inv Status: Custom Synthesis

Chemical Name: H-2-oxo-His-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-AlaLys(AEEAc-AEEAc-gamma-Glu-C18-OH)-Glu-Phe-Ile-Ala-Trp25-Leu-Val-Arg-Gly-Arg-Gly-OH

Semaglutide Impurity 3

CAT No: CL-SGTD-04 CAS No: NA Mol Wt: 4219.8 Mol F: C194H297N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S)-57-(((7S,13S,16S,19S,22S,25S,31S,34S)-22-((1H-indol-3-yl)methyl)-31-benzyl-28-((S)-sec-butyl)-1,36-dicarboxy-7,13-bis(3-guanidinopropyl)-19-isobutyl-16-isopropyl-25-methyl-3,6,9,12,15,18,21,24,27,30,33-undecaoxo-2,5,8,11,14,17,20,23,26,29,32-undecaazahexatriacontan-34-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,21,84,102-tetracarboxylic acid

Semaglutide Impurity 4

CAT No: CL-SGTD-05 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-57-(((6S,12S,15S,18S,21S,24S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-21-(2-oxoindolin-3-yl)-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,21,84,102-tetracarboxylic acid

Semaglutide Impurity 5

CAT No: CL-SGTD-06 CAS No: NA Mol Wt: 4056.6 Mol F: C185H288N44O58 Inv Status: Custom Synthesis

Chemical Name: 3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S)-57-(((6S,12S,15S,18S,21S,24S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(2-oxo-2H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,21,84,102-tetracarboxylic acid

Semaglutide Impurity 6

CAT No: CL-SGTD-07 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-57-(((6S,12S,15S,18S,21S,24S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-21-(2-formamidobenzoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,21,84,102-tetracarboxylic acid

Semaglutide Impurity 7

CAT No: CL-SGTD-08 CAS No: NA Mol Wt: 3976.5 Mol F: C181H284N42O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21R,25S,28S,31S,34S,37S,40S,49S,52S,55R,58S)-58-(((6S,12S,15S,18S,21S,24S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-49-(3-amino-3-oxopropyl)-12-benzyl-40-(2-carboxyethyl)-34-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,28,31-tris(hydroxymethyl)-37-isobutyl-25-isopropyl-52,55-dimethyl-4,7,10,13,16,19,23,26,29,32,35,38,41,44,47,50,53,56,64,73,82,87-docosaoxo-66,69,75,78-tetraoxa-5,8,11,14,17,20,24,27,30,33,36,39,42,45,48,51,54,57,63,72,81,86-docosaazatrihectane-1,21,85,103-tetracarboxylic acid

Semaglutide Impurity 8

CAT No: CL-SGTD-09 CAS No: NA Mol Wt: 4156.7 Mol F: C188H292N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21R,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S)-57-(((6S,12S,15S,18S,21S,24S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Semaglutide Impurity 9

CAT No: CL-SGTD-10 CAS No: NA Mol Wt: 4213.7 Mol F: C190H295N47O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,25S,28S,31S,34S,37S,40S,49S,52S,55R,58S)-58-(((6S,12S,15S,18S,21S,24S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-49-(3-amino-3-oxopropyl)-12-benzyl-40-(2-carboxyethyl)-34-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,28,31-tris(hydroxymethyl)-37-isobutyl-25-isopropyl-52,55-dimethyl-4,7,10,13,16,19,23,26,29,32,35,38,41,44,47,50,53,56,64,73,82,87-docosaoxo-66,69,75,78-tetraoxa-5,8,11,14,17,20,24,27,30,33,36,39,42,45,48,51,54,57,63,72,81,86-docosaazatrihectane-1,21,85,103-tetracarboxylic acid

Semaglutide Impurity 10

CAT No: CL-SGTD-11 CAS No: NA Mol Wt: 4213.7 Mol F: C190H295N47O61 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,28S,31S,34S)-19-((1H-indol-3-yl)methyl)-34-((2R,5S,8S,17S,20S,23S,26S,29S,32S)-8-(3-amino-3-oxopropyl)-32-(3-((2S,5S,8S,11S,17S,23S)-23-amino-8-benzyl-17-(2-carboxyethyl)-5,11-bis((R)-1-hydroxyethyl)-2-(hydroxymethyl)-24-(1H-imidazol-4-yl)-20,20-dimethyl-4,7,10,13,16,19,22-heptaoxo-3,6,9,12,15,18,21-heptaazatetracosanamido)-2,4-dioxopyrrolidin-1-yl)-17-(2-carboxyethyl)-23-(4-hydroxybenzyl)-26,29-bis(hydroxymethyl)-20-isobutyl-2,5,33-trimethyl-4,7,10,13,16,19,22,25,28,31-decaoxo-3,6,9,12,15,18,21,24,27,30-decaazatetratriacontanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

Semaglutide Impurity 11

CAT No: CL-SGTD-12 CAS No: NA Mol Wt: 4158.6 Mol F: C187H290N46O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S,80R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,68,77,82-docosaoxo-70,73-dioxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,67,76,81-docosaazaoctanonacontane-1,21,80,98-tetracarboxylic acid

Semaglutide Impurity 12

CAT No: CL-SGTD-13 CAS No: NA Mol Wt: 4170.6 Mol F: C188H290N46O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51S,54R,57S,79R)-57-(((6S,12S,15S,18S,21S,24S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,76,81-docosaoxo-65,68-dioxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,75,80-docosaazaheptanonacontane-1,21,79,97-tetracarboxylic acid

Semaglutide Impurity 13

CAT No: CL-SGTD-14 CAS No: NA Mol Wt: 4174.6 Mol F: C187H290N46O62 Inv Status: Custom Synthesis

Chemical Name: Na-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-(4-((tert-butyldiphenylsilyl)oxy)benzyl)-L-tryptophan

Semaglutide Impurity 14

CAT No: CL-SGTD-15 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,25S,28S,31S,34S,61S)-19-((1H-indol-3-yl)methyl)-34-((2S,5S,8S,14S,17S)-17-amino-8-(3-amino-3-oxopropyl)-14-(2-carboxyethyl)-2,5,19-trimethyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazaicosanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

Semaglutide Impurity 15

CAT No: CL-SGTD-16 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (1S,28S)-1-Amino-7,16,25,30-tetraoxo-9,12,18,21-tetraoxa-6,15,24,29-tetraazatetratriacontane-1,28,34-tricarboxylic acid

Semaglutide Impurity 16

CAT No: CL-SGTD-17 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (5S,32S)-32-amino-3,8,17,26-tetraoxo-12,15,21,24-tetraoxa-4,9,18,27-tetraazadotriacontane-1,5,32-tricarboxylic acid

Semaglutide Impurity 17

CAT No: CL-SGTD-18 CAS No: NA Mol Wt: 4152.7 Mol F: C189H292N46O59 Inv Status: Custom Synthesis

Chemical Name: (S)-13-(Tert-butoxycarbonyl)-34,34-dimethyl-10,15,32-trioxo-3,6,33-trioxa-9,14-diazapentatriacontanoic acid

Semaglutide Impurity 18

CAT No: CL-SGTD-19 CAS No: NA Mol Wt: 4096.6 Mol F: C186H288N46O58 Inv Status: Custom Synthesis

Chemical Name: 1-(Tert-butyl) 18-(2,5-dioxopyrrolidin-1-yl) octadecanedioate

Semaglutide Impurity 19

CAT No: CL-SGTD-20 CAS No: NA Mol Wt: 4082.6 Mol F: C185H286N46O58 Inv Status: Custom Synthesis

Chemical Name: 1-(Tert-butyl) 5-(2,5-dioxopyrrolidin-1-yl) (18-(tert-butoxy)-18-oxooctadecanoyl)-L-glutamate

D-[Ser]-11-Semaglutide

CAT No: CL-SGTD-21 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27R,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-[Val]-10-Semaglutide

CAT No: CL-SGTD-22 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24R,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-[Asp]-9-Semaglutide

CAT No: CL-SGTD-23 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21R,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-[Ser]-8-Semaglutide

CAT No: CL-SGTD-24 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18R,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-[Phe]-6-Semaglutide

CAT No: CL-SGTD-25 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12R,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Fragment-[3-31]-Semaglutide

CAT No: CL-SGTD-27 CAS No: NA Mol Wt: 3891.4 Mol F: C177H277N41O57 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-amino-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

[Glu]-17-Semaglutide

CAT No: CL-SGTD-28 CAS No: NA Mol Wt: 4114.6 Mol F: C187H290N44O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-12-benzyl-39,45-bis(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Iso Aspartic acid-15

CAT No: CL-SGTD-29 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,25S,28S,31S,34S,37S,40S,46S,49S,52S,55S,82R)-55-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-5-yl)propanamido)-2-methylpropanamido)-46-(3-amino-3-oxopropyl)-12-benzyl-40-(2-carboxyethyl)-34-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,28,31-tris(hydroxymethyl)-37-isobutyl-25-isopropyl-49,52-dimethyl-4,7,10,13,16,19,23,26,29,32,35,38,41,44,47,50,53,61,70,79,84-henicosaoxo-63,66,72,75-tetraoxa-5,8,11,14,17,20,24,27,30,33,36,39,42,45,48,51,54,60,69,78,83-henicosaazahectane-1,21,82,100-tetracarboxylic acid

D-His-7-Semaglutide

CAT No: CL-SGTD-30 CAS No: NA Mol Wt: 4114.6 Mol F: C187H290N44O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((R)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-Ser-14-Semaglutide

CAT No: CL-SGTD-31 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9R,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81S)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity 20

CAT No: CL-SGTD-32 CAS No: NA Mol Wt: 771 Mol F: C49H46N2O5Si Inv Status: Custom Synthesis

Chemical Name: Na-(((9H-Fluoren-9-yl)methoxy)carbonyl)-1-(4-((tert-butyldiphenylsilyl)oxy)benzyl)-L-tryptophan

Semaglutide Impurity 21 (P3 Semaglutide)

CAT No: CL-SGTD-33 CAS No: NA Mol Wt: 2717.2 Mol F: C126H206N30O36 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,25S,28S,31S,34S,61S)-19-((1H-indol-3-yl)methyl)-34-((2S,5S,8S,14S,17S)-17-amino-8-(3-amino-3-oxopropyl)-14-(2-carboxyethyl)-2,5,19-trimethyl-4,7,10,13,16-pentaoxo-3,6,9,12,15-pentaazaicosanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

Semaglutide Impurity 22 (U7 Semaglutide)

CAT No: CL-SGTD-34 CAS No: NA Mol Wt: 693.7 Mol F: C29H51N5O14 Inv Status: Custom Synthesis

Chemical Name: (1S,28S)-1-Amino-7,16,25,30-tetraoxo-9,12,18,21-tetraoxa-6,15,24,29-tetraazatetratriacontane-1,28,34-tricarboxylic acid

Semaglutide Impurity 23 (U6 Semaglutide)

CAT No: CL-SGTD-35 CAS No: NA Mol Wt: 665.7 Mol F: C27H47N5O14 Inv Status: Custom Synthesis

Chemical Name: (5S,32S)-32-amino-3,8,17,26-tetraoxo-12,15,21,24-tetraoxa-4,9,18,27-tetraazadotriacontane-1,5,32-tricarboxylic acid

Semaglutide Impurity 24

CAT No: CL-SGTD-36 CAS No: 1671100-14-3 Mol Wt: 701 Mol F: C37H68N2O10 Inv Status: Custom Synthesis

Chemical Name: (S)-13-(Tert-butoxycarbonyl)-34,34-dimethyl-10,15,32-trioxo-3,6,33-trioxa-9,14-diazapentatriacontanoic acid

Semaglutide Impurity 25

CAT No: CL-SGTD-37 CAS No: 843666-34-2 Mol Wt: 467.6 Mol F: C26H45NO6 Inv Status: Custom Synthesis

Chemical Name: 1-(Tert-butyl) 18-(2,5-dioxopyrrolidin-1-yl) octadecanedioate

Semaglutide Impurity 26

CAT No: CL-SGTD-38 CAS No: 1188328-22-4 Mol Wt: 652.9 Mol F: C35H60N2O9 Inv Status: Custom Synthesis

Chemical Name: 1-(Tert-butyl) 5-(2,5-dioxopyrrolidin-1-yl) (18-(tert-butoxy)-18-oxooctadecanoyl)-L-glutamate

Semaglutide Impurity 27

CAT No: CL-SGTD-39 CAS No: NA Mol Wt: 4127.6 Mol F: C187H289N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(2-oxo-2H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity 28

CAT No: CL-SGTD-40 CAS No: NA Mol Wt: 701 Mol F: C37H68N2O10 Inv Status: Custom Synthesis

Chemical Name: (R)-13-(Tert-butoxycarbonyl)-34,34-dimethyl-10,15,32-trioxo-3,6,33-trioxa-9,14-diazapentatriacontanoic acid

Semaglutide Impurity 29

CAT No: CL-SGTD-41 CAS No: NA Mol Wt: 846.1 Mol F: C43H79N3O13 Inv Status: Custom Synthesis

Chemical Name: (R)-22-(Tert-butoxycarbonyl)-43,43-dimethyl-10,19,24,41-tetraoxo-3,6,12,15,42-pentaoxa-9,18,23-triazatetratetracontanoic acid

Semaglutide Impurity 30

CAT No: CL-SGTD-42 CAS No: NA Mol Wt: 845.1 Mol F: C43H80N4O12 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-1-amino-22-(tert-butoxycarbonyl)-1,10,19,24-tetraoxo-3,6,12,15-tetraoxa-9,18,23-triazahentetracontan-41-oate

Semaglutide Impurity 31

CAT No: CL-SGTD-43 CAS No: NA Mol Wt: 991.3 Mol F: C49H90N4O16 Inv Status: Custom Synthesis

Chemical Name: (R)-31-(Tert-butoxycarbonyl)-52,52-dimethyl-10,19,28,33,50-pentaoxo-3,6,12,15,21,24,51-heptaoxa-9,18,27,32-tetraazatripentacontanoic acid

Semaglutide Impurity 32

CAT No: CL-SGTD-44 CAS No: 23406-82-8 Mol Wt: 260.3 Mol F: C11H20N2O5 Inv Status: Custom Synthesis

Chemical Name: (S)-(2-Amino-5-(tert-butoxy)-5-oxopentanoyl)glycine

Semaglutide Impurity 33

CAT No: CL-SGTD-45 CAS No: NA Mol Wt: 479.5 Mol F: C23H33N3O8 Inv Status: Custom Synthesis

Chemical Name: (S)-(2-(2-(((Benzyloxy)carbonyl)amino)-2-methylpropanamido)-5-(tert-butoxy)-5-oxopentanoyl)glycine

Semaglutide Impurity 34

CAT No: CL-SGTD-46 CAS No: NA Mol Wt: 345.4 Mol F: C15H27N3O6 Inv Status: Custom Synthesis

Chemical Name: (S)-(2-(2-Amino-2-methylpropanamido)-5-(tert-butoxy)-5-oxopentanoyl)glycine

Semaglutide Impurity 35

CAT No: CL-SGTD-47 CAS No: NA Mol Wt: 839 Mol F: C46H58N6O9 Inv Status: Custom Synthesis

Chemical Name: Methyl (6S,12S)-12-(3-(tert-butoxy)-3-oxopropyl)-2,2,9,9-tetramethyl-4,7,10,13-tetraoxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11,14-tetraazahexadecan-16-oate

Semaglutide Impurity 36

CAT No: CL-SGTD-48 CAS No: NA Mol Wt: 768.9 Mol F: C41H48N6O9 Inv Status: Custom Synthesis

Chemical Name: (6S,12S)-12-(2-Carboxyethyl)-2,2,9,9-tetramethyl-4,7,10,13-tetraoxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11,14-tetraazahexadecan-16-oic acid

Semaglutide Impurity 37

CAT No: CL-SGTD-49 CAS No: NA Mol Wt: 582.7 Mol F: C26H42N6O9 Inv Status: Custom Synthesis

Chemical Name: ((S)-5-(Tert-butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine

Semaglutide Impurity 38

CAT No: CL-SGTD-50 CAS No: NA Mol Wt: 825 Mol F: C45H56N6O9 Inv Status: Custom Synthesis

Chemical Name: ((R)-5-(Tert-butoxy)-2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine

Semaglutide Impurity 39

CAT No: CL-SGTD-51 CAS No: NA Mol Wt: 910.1 Mol F: C49H63N7O10 Inv Status: Custom Synthesis

Chemical Name: ((S)-5-(Tert-butoxy)-2-(2-(2-((S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-2-methylpropanamido)-5-oxopentanoyl)glycine

(Oct-alpha-Glu-AEEA-AEEA) Semaglutide

CAT No: CL-SGTD-52 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (5S,11S,14S,17S,20S,23S,26S,29S,32S,35S,38S,41S,44S,50S,53S,56S,59S,62S,65S,68S,71S,74S,77S,80S,86S)-20-((1H-indol-3-yl)methyl)-44-(3-amino-3-oxopropyl)-86-(2-((S)-5-amino-6-(1H-imidazol-5-yl)-2-methyl-3,4-dioxohexan-2-yl)hydrazinyl)-29,77-dibenzyl-26-((S)-sec-butyl)-35-((S)-43-carboxy-25-(2-carboxyethyl)-6,15,24,27-tetraoxo-8,11,17,20-tetraoxa-5,14,23,26-tetraazatritetracontyl)-32,50-bis(2-carboxyethyl)-68-(carboxymethyl)-5,11-bis(3-guanidinopropyl)-56-(4-hydroxybenzyl)-74,80-bis((R)-1-hydroxyethyl)-59,62,71-tris(hydroxymethyl)-17,53-diisobutyl-14,65-diisopropyl-23,38,41-trimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,79,82,85-octacosaoxo-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84-octacosaazanonaoctacontanedioic acid

D-Ser-12- Semaglutide

CAT No: CL-SGTD-54 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30R,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-Ala-19-Semaglutide

CAT No: CL-SGTD-55 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Kyn-25-Semaglutide

CAT No: CL-SGTD-56 CAS No: NA Mol Wt: 4117.6 Mol F: C186H291N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-1-amino-21-(2-(2-aminophenyl)-2-oxoethyl)-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

D-beta-Asp9-Semaglutide

CAT No: CL-SGTD-57 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21R,25S,28S,31S,34S,37S,40S,46S,49S,52S,55S,82R)-55-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-46-(3-amino-3-oxopropyl)-12-benzyl-40-(2-carboxyethyl)-34-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,28,31-tris(hydroxymethyl)-37-isobutyl-25-isopropyl-49,52-dimethyl-4,7,10,13,16,19,23,26,29,32,35,38,41,44,47,50,53,61,70,79,84-henicosaoxo-63,66,72,75-tetraoxa-5,8,11,14,17,20,24,27,30,33,36,39,42,45,48,51,54,60,69,78,83-henicosaazahectane-1,21,82,100-tetracarboxylic acid

D-Ala-24-Semaglutide

CAT No: CL-SGTD-58 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24R,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Fragment-[9-31]-Semaglutide

CAT No: CL-SGTD-59 CAS No: NA Mol Wt: 3268.8 Mol F: C150H239N35O46 Inv Status: Custom Synthesis

Chemical Name: (2S,5S,8S,11S,14S,17S,20S,26S,29S,32S,35S,62R)-35-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-2-amino-26-(3-amino-3-oxopropyl)-20-(2-carboxyethyl)-14-(4-hydroxybenzyl)-8,11-bis(hydroxymethyl)-17-isobutyl-5-isopropyl-29,32-dimethyl-3,6,9,12,15,18,21,24,27,30,33,41,50,59,64-pentadecaoxo-43,46,52,55-tetraoxa-4,7,10,13,16,19,22,25,28,31,34,40,49,58,63-pentadecaazaoctacontane-1,62,80-tricarboxylic acid

Semaglutide a-Glu Impurity

CAT No: CL-SGTD-60 CAS No: NA Mol Wt: 4099.7 Mol F: C187H293N45O58 Inv Status: Custom Synthesis

Chemical Name: (5S,11S,14S,17S,20S,23S,26S,29S,32S,35S,38S,41S,44S,50S,53S,56S,59S,62S,65S,68S,71S,74S,77S,80S,86S)-20-((1H-indol-3-yl)methyl)-86-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-44-(3-amino-3-oxopropyl)-29,77-dibenzyl-26-((S)-sec-butyl)-35-((S)-43-carboxy-25-(2-carboxyethyl)-6,15,27-trioxo-8,11,17,20-tetraoxa-5,14,23,26-tetraazatritetracontyl)-32,50-bis(2-carboxyethyl)-68-(carboxymethyl)-5,11-bis(3-guanidinopropyl)-56-(4-hydroxybenzyl)-74,80-bis((R)-1-hydroxyethyl)-59,62,71-tris(hydroxymethyl)-17,53-diisobutyl-14,65-diisopropyl-23,38,41-trimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,79,82,85-octacosaoxo-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84-octacosaazanonaoctacontanedioic acid

Semaglutide Acetaldehyde Schiff-base Impurity

CAT No: CL-SGTD-61 CAS No: NA Mol Wt: 4139.7 Mol F: C189H293N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-3-(2-((S)-2-(ethylideneamino)-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Fragment-[5-31]-Semaglutide

CAT No: CL-SGTD-62 CAS No: NA Mol Wt: 3705.2 Mol F: C170H267N39O53 Inv Status: Custom Synthesis

Chemical Name: (2S,5S,8S,11S,14S,17S,20S,26S,29S,32S,35S,62R)-35-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-2-((S)-2-((2S,3R)-2-((S)-2-((2S,3R)-2-amino-3-hydroxybutanamido)-3-phenylpropanamido)-3-hydroxybutanamido)-3-hydroxypropanamido)-26-(3-amino-3-oxopropyl)-20-(2-carboxyethyl)-14-(4-hydroxybenzyl)-8,11-bis(hydroxymethyl)-17-isobutyl-5-isopropyl-29,32-dimethyl-3,6,9,12,15,18,21,24,27,30,33,41,50,59,64-pentadecaoxo-43,46,52,55-tetraoxa-4,7,10,13,16,19,22,25,28,31,34,40,49,58,63-pentadecaazaoctacontane-1,62,80-tricarboxylic acid

Endo Gly16 Semaglutide

CAT No: CL-SGTD-63 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,48S,51R,54R,57S,84R)-57-(((6S,12S,15S,18R,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Semaglutide Impurity Gly29

CAT No: CL-SGTD-64 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,81R)-54-(((6S,15S,18S,21S,24S,27S,30S,33S,36S)-24-((1H-indol-3-yl)methyl)-1-amino-33-benzyl-30-((S)-sec-butyl)-38-carboxy-6-((carboxymethyl)carbamoyl)-15-(3-guanidinopropyl)-1-imino-21-isobutyl-18-isopropyl-27-methyl-8,11,14,17,20,23,26,29,32,35-decaoxo-2,7,10,13,16,19,22,25,28,31,34-undecaazaoctatriacontan-36-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity Gly31

CAT No: CL-SGTD-65 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,81R)-54-(((7S,13S,16S,19S,22S,25S,28S,31S,34S)-22-((1H-indol-3-yl)methyl)-31-benzyl-28-((S)-sec-butyl)-1,36-dicarboxy-7,13-bis(3-guanidinopropyl)-19-isobutyl-16-isopropyl-25-methyl-3,6,9,12,15,18,21,24,27,30,33-undecaoxo-2,5,8,11,14,17,20,23,26,29,32-undecaazahexatriacontan-34-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity Oia25

CAT No: CL-SGTD-66 CAS No: NA Mol Wt: 4129.6 Mol F: C187H291N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,81R)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-21-((2-oxoindolin-3-yl)methyl)-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity D-Asp9

CAT No: CL-SGTD-67 CAS No: NA Mol Wt: 4127.6 Mol F: C187H289N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21R,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(2-oxo-2H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity Asu9

CAT No: CL-SGTD-68 CAS No: NA Mol Wt: 4109.6 Mol F: C187H287N45O59 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,25S,28S,31S,34S,61R)-19-((1H-indol-3-yl)methyl)-34-((2R,5S,8S,14S,17S,20S,23S,26S,29S)-8-(3-amino-3-oxopropyl)-29-(3-((2S,5S,8S,11S,17S,23S)-23-amino-8-benzyl-17-(2-carboxyethyl)-5,11-bis((R)-1-hydroxyethyl)-2-(hydroxymethyl)-20,20-dimethyl-4,7,10,13,16,19,22-heptaoxo-24-(2-oxo-2H-imidazol-4-yl)-3,6,9,12,15,18,21-heptaazatetracosanamido)-2,4-dioxopyrrolidin-1-yl)-14-(2-carboxyethyl)-20-(4-hydroxybenzyl)-23,26-bis(hydroxymethyl)-17-isobutyl-2,5,30-trimethyl-4,7,10,13,16,19,22,25,28-nonaoxo-3,6,9,12,15,18,21,24,27-nonaazahentriacontanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

Semaglutide Impurity B-Ala-AEEA

CAT No: CL-SGTD-69 CAS No: NA Mol Wt: 4053.5 Mol F: C184H283N45O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,76R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(2-oxo-2H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,64,73,78-henicosaoxo-66,69-dioxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,63,72,77-henicosaazatetranonacontane-1,76,94-tricarboxylic acid

Semaglutide Impurity AEEA-B-Ala

CAT No: CL-SGTD-70 CAS No: NA Mol Wt: 4053.5 Mol F: C184H283N45O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,76R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(2-oxo-2H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,73,78-henicosaoxo-62,65-dioxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,72,77-henicosaazatetranonacontane-1,76,94-tricarboxylic acid

Semaglutide Impurity N-Formylkynurenine

CAT No: CL-SGTD-71 CAS No: NA Mol Wt: 4159.6 Mol F: C187H289N45O62 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51R,54S,81R)-3-(2-((S)-2-amino-3-(2-oxo-2H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-21-(2-(2-formamidophenyl)-2-oxoethyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity 40

CAT No: CL-SGTD-72 CAS No: NA Mol Wt: 582.7 Mol F: C34H38N4O5 Inv Status: Custom Synthesis

Chemical Name: Na-(3-amino-2-methylpropanoyl)-Na-(tert-butoxycarbonyl)-Nt-trityl-L-histidine

Semaglutide Impurity 41

CAT No: CL-SGTD-73 CAS No: NA Mol Wt: 582.7 Mol F: C34H38N4O5 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(2-((Tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanamido)-2-methylpropanoic acid

Des-Glu3 Semaglutide

CAT No: CL-SGTD-74 CAS No: NA Mol Wt: 3984.5 Mol F: C182H284N44O56 Inv Status: Custom Synthesis

Chemical Name: (2S,5S,8S,11S,14S,17S,20S,26S,29S,35S,62S)-35-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-26-(3-amino-3-oxopropyl)-2-((2S,5S,8S,11S,20S)-20-amino-8-benzyl-5,11-bis((R)-1-hydroxyethyl)-2-(hydroxymethyl)-21-(1H-imidazol-4-yl)-17,17-dimethyl-4,7,10,13,16,19-hexaoxo-3,6,9,12,15,18-hexaazahenicosanamido)-20-(2-carboxyethyl)-14-(4-hydroxybenzyl)-8,11-bis(hydroxymethyl)-17-isobutyl-5-isopropyl-29,32-dimethyl-3,6,9,12,15,18,21,24,27,30,33,41,50,59,64-pentadecaoxo-43,46,52,55-tetraoxa-4,7,10,13,16,19,22,25,28,31,34,40,49,58,63-pentadecaazaoctacontane-1,62,80-tricarboxylic acid

Des-Gly4 Semaglutide

CAT No: CL-SGTD-75 CAS No: NA Mol Wt: 4056.6 Mol F: C185H288N44O58 Inv Status: Custom Synthesis

Chemical Name: (3S,6S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,42S,45S,48S,51S,78R)-51-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-42-(3-amino-3-oxopropyl)-9-benzyl-36-(2-carboxyethyl)-18-(carboxymethyl)-30-(4-hydroxybenzyl)-6,12-bis((R)-1-hydroxyethyl)-15,24,27-tris(hydroxymethyl)-33-isobutyl-21-isopropyl-45,48-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,57,66,75,80-icosaoxo-59,62,68,71-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,56,65,74,79-icosaazahexanonacontane-1,78,96-tricarboxylic acid

Endo-Glu3 Semaglutide

CAT No: CL-SGTD-76 CAS No: NA Mol Wt: 4242.8 Mol F: C192H298N46O62 Inv Status: Custom Synthesis

Chemical Name: (3S,6S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,42S,48S,51S,54S,57S,84R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-15-benzyl-6,42-bis(2-carboxyethyl)-24-(carboxymethyl)-36-(4-hydroxybenzyl)-12,18-bis((R)-1-hydroxyethyl)-21,30,33-tris(hydroxymethyl)-39-isobutyl-27-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Semaglutide Impurity 42

CAT No: CL-SGTD-77 CAS No: NA Mol Wt: 3900.4 Mol F: C179H276N40O57 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,9S,12S,15S,18S,21S,24S,27S)-15-((1H-indol-3-yl)methyl)-1-amino-24-benzyl-21-((S)-sec-butyl)-29-carboxy-6-((carboxymethyl)carbamoyl)-1-imino-12-isobutyl-9-isopropyl-18-methyl-8,11,14,17,20,23,26-heptaoxo-2,7,10,13,16,19,22,25-octaazanonacosan-27-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-5-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity 43

CAT No: CL-SGTD-78 CAS No: NA Mol Wt: 4129.6 Mol F: C187H291N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-3-(2-((S)-2-amino-3-(1H-imidazol-5-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-21-((2-hydroxy-1H-indol-3-yl)methyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Impurity 44

CAT No: CL-SGTD-79 CAS No: NA Mol Wt: 4129.6 Mol F: C187H291N45O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-3-(2-((S)-2-amino-3-(1H-imidazol-5-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-21-((5-hydroxy-1H-indol-3-yl)methyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide Intermediate P29

CAT No: CL-SGTD-80 CAS No: 1169630-82-3 Mol Wt: 3175.5 Mol F: C142H216N38O45 Inv Status: Custom Synthesis

Chemical Name: (5S,11S,14S,17S,20S,23S,26S,29S,32S,35S,38S,41S,44S,50S,53S,56S,59S,62S,65S,68S,71S,74S,77S,80S,86S)-20-((1H-indol-3-yl)methyl)-86-amino-44-(3-amino-3-oxopropyl)-35-(4-aminobutyl)-29,77-dibenzyl-26-((S)-sec-butyl)-32,50-bis(2-carboxyethyl)-68-(carboxymethyl)-5,11-bis(3-guanidinopropyl)-56-(4-hydroxybenzyl)-74,80-bis((R)-1-hydroxyethyl)-59,62,71-tris(hydroxymethyl)-17,53-diisobutyl-14,65-diisopropyl-23,38,41-trimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,58,61,64,67,70,73,76,79,82,85-octacosaoxo-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69,72,75,78,81,84-octacosaazanonaoctacontanedioic acid

Semaglutide Side Chain-tBuO-Ste-Glu(AEEA-AEEA-OH)OtBu

CAT No: CL-SGTD-81 CAS No: 1118767-16-0 Mol Wt: 846.1 Mol F: C43H79N3O13 Inv Status: Custom Synthesis

Chemical Name: (S)-22-(Tert-butoxycarbonyl)-43,43-dimethyl-10,19,24,41-tetraoxo-3,6,12,15,42-pentaoxa-9,18,23-triazatetratetracontanoic acid

Des- Aib2-Semaglutide

CAT No: CL-SGTD-82 CAS No: NA Mol Wt: 4028.5 Mol F: C183H284N44O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Des-Thr5-Semaglutide

CAT No: CL-SGTD-83 CAS No: NA Mol Wt: 4012.5 Mol F: C183H284N44O57 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,42S,45S,48S,51S,78R)-51-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-42-(3-amino-3-oxopropyl)-12-benzyl-36-(2-carboxyethyl)-18-(carboxymethyl)-30-(4-hydroxybenzyl)-9-((R)-1-hydroxyethyl)-15,24,27-tris(hydroxymethyl)-33-isobutyl-21-isopropyl-45,48-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,57,66,75,80-icosaoxo-59,62,68,71-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,56,65,74,79-icosaazahexanonacontane-1,78,96-tricarboxylic acid

Des Gly4-Thr5 Semaglutide

CAT No: CL-SGTD-84 CAS No: NA Mol Wt: 3955.5 Mol F: C181H281N43O56 Inv Status: Custom Synthesis

Chemical Name: (3S,6S,9S,12S,15S,18S,21S,24S,27S,30S,33S,39S,42S,45S,48S,75R)-48-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-39-(3-amino-3-oxopropyl)-6-benzyl-33-(2-carboxyethyl)-15-(carboxymethyl)-27-(4-hydroxybenzyl)-9-((R)-1-hydroxyethyl)-12,21,24-tris(hydroxymethyl)-30-isobutyl-18-isopropyl-42,45-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,54,63,72,77-nonadecaoxo-56,59,65,68-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,53,62,71,76-nonadecaazatrinonacontane-1,75,93-tricarboxylic acid

Endo-Gamma-Glu-Semaglutide

CAT No: CL-SGTD-85 CAS No: NA Mol Wt: 4242.8 Mol F: C192H298N46O62 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R,86R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83,88-docosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82,87-docosaazatetrahectane-1,81,86,104-tetracarboxylic acid

Endo-Beta-Ala31-Semaglutide

CAT No: CL-SGTD-86 CAS No: NA Mol Wt: 4184.7 Mol F: C190H296N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((8S,14S,17S,20S,23S,26S,29S,32S,35S)-23-((1H-indol-3-yl)methyl)-32-benzyl-29-((S)-sec-butyl)-1,37-dicarboxy-8,14-bis(3-guanidinopropyl)-20-isobutyl-17-isopropyl-26-methyl-3,7,10,13,16,19,22,25,28,31,34-undecaoxo-2,6,9,12,15,18,21,24,27,30,33-undecaazaheptatriacontan-35-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Endo-AEEA-Semaglutide

CAT No: CL-SGTD-87 CAS No: NA Mol Wt: 4258.8 Mol F: C193H302N46O62 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,90R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,87,92-docosaoxo-62,65,71,74,80,83-hexaoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,86,91-docosaazaoctahectane-1,90,108-tricarboxylic acid

Des 1-6 Semaglutide

CAT No: CL-SGTD-88 CAS No: NA Mol Wt: 3456.9 Mol F: C157H251N37O50 Inv Status: Custom Synthesis

Chemical Name: (2S,5S,8S,11S,14S,17S,20S,26S,29S,32S,35S,62R)-35-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-2-((S)-2-((2S,3R)-2-amino-3-hydroxybutanamido)-3-hydroxypropanamido)-26-(3-amino-3-oxopropyl)-20-(2-carboxyethyl)-14-(4-hydroxybenzyl)-8,11-bis(hydroxymethyl)-17-isobutyl-5-isopropyl-29,32-dimethyl-3,6,9,12,15,18,21,24,27,30,33,41,50,59,64-pentadecaoxo-43,46,52,55-tetraoxa-4,7,10,13,16,19,22,25,28,31,34,40,49,58,63-pentadecaazaoctacontane-1,62,80-tricarboxylic acid

Des 1-11 Semaglutide

CAT No: CL-SGTD-89 CAS No: NA Mol Wt: 2967.5 Mol F: C138H220N32O40 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,25S,28S,31S,34S,61R)-19-((1H-indol-3-yl)methyl)-34-((2S,5S,8S,14S,17S,20S,23S)-23-amino-8-(3-amino-3-oxopropyl)-14-(2-carboxyethyl)-24-hydroxy-20-(4-hydroxybenzyl)-17-isobutyl-2,5-dimethyl-4,7,10,13,16,19,22-heptaoxo-3,6,9,12,15,18,21-heptaazatetracosanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

Des 1-12 Semaglutide

CAT No: CL-SGTD-90 CAS No: NA Mol Wt: 2880.4 Mol F: C135H215N31O38 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,25S,28S,31S,34S,61R)-19-((1H-indol-3-yl)methyl)-34-((2S,5S,8S,14S,17S,20S)-20-amino-8-(3-amino-3-oxopropyl)-14-(2-carboxyethyl)-21-(4-hydroxyphenyl)-17-isobutyl-2,5-dimethyl-4,7,10,13,16,19-hexaoxo-3,6,9,12,15,18-hexaazahenicosanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

His1-Semaglutide Immine Impurity

CAT No: CL-SGTD-91 CAS No: NA Mol Wt: 4125.7 Mol F: C188H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-3-(2-((S)-3-(1H-imidazol-4-yl)-2-(methyleneamino)propanamido)-2-methylpropanamido)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

His1-Semaglutide N-Methyl Impurity

CAT No: CL-SGTD-92 CAS No: NA Mol Wt: 4127.7 Mol F: C188H293N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-3-(2-((S)-3-(1H-imidazol-4-yl)-2-(methylamino)propanamido)-2-methylpropanamido)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Des-[Gly]-31-Semaglutide

CAT No: CL-SGTD-93 CAS No: NA Mol Wt: 4056.6 Mol F: C185H288N44O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-6,35-dicarboxy-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Des-[Oct-Gamma-Glu-AEEA-AEEA]-Semaglutide

CAT No: CL-SGTD-94 CAS No: NA Mol Wt: 3397.8 Mol F: C152H230N42O47 Inv Status: Custom Synthesis

Chemical Name: Semaglutide Back bone Impurity

Des-Gly29-Semaglutide

CAT No: CL-SGTD-95 CAS No: NA Mol Wt: 4056.6 Mol F: C185H288N44O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,9S,12S,15S,18S,21S,24S,27S,30S)-18-((1H-indol-3-yl)methyl)-1-amino-27-benzyl-24-((S)-sec-butyl)-32-carboxy-6-((carboxymethyl)carbamoyl)-9-(3-guanidinopropyl)-1-imino-15-isobutyl-12-isopropyl-21-methyl-8,11,14,17,20,23,26,29-octaoxo-2,7,10,13,16,19,22,25,28-nonaazadotriacontan-30-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Des-Thr7-Semaglutide

CAT No: CL-SGTD-96 CAS No: NA Mol Wt: 4012.5 Mol F: C183H284N44O57 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,42S,45S,48S,51S,78S)-51-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-Indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-42-(3-amino-3-oxopropyl)-9-benzyl-36-(2-carboxyethyl)-18-(carboxymethyl)-30-(4-hydroxybenzyl)-12-((R)-1-hydroxyethyl)-15,24,27-tris(hydroxymethyl)-33-isobutyl-21-isopropyl-45,48-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,57,66,75,80-icosaoxo-59,62,68,71-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,56,65,74,79-icosaazahexanonacontane-1,78,96-tricarboxylic acid

Des-Tyr13-Semaglutide

CAT No: CL-SGTD-97 CAS No: NA Mol Wt: 3950.5 Mol F: C178H282N44O57 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,42S,45S,48S,51S,78R)-51-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-42-(3-amino-3-oxopropyl)-12-benzyl-36-(2-carboxyethyl)-21-(carboxymethyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-33-isobutyl-24-isopropyl-45,48-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,57,66,75,80-icosaoxo-59,62,68,71-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,56,65,74,79-icosaazahexanonacontane-1,78,96-tricarboxylic acid

D-Phe-22-Semaglutide

CAT No: CL-SGTD-98 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30R,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Endo-Ala19-Semaglutide

CAT No: CL-SGTD-99 CAS No: NA Mol Wt: 4184.7 Mol F: C190H296N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,57S,84R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51,54-trimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Endo-Gln17-Semaglutide

CAT No: CL-SGTD-100 CAS No: NA Mol Wt: 4241.8 Mol F: C192H299N47O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,57S,84R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45,48-bis(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Endo-Gly4-Semaglutide

CAT No: CL-SGTD-101 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,42S,48S,51S,54S,57S,84R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-15-benzyl-42-(2-carboxyethyl)-24-(carboxymethyl)-36-(4-hydroxybenzyl)-12,18-bis((R)-1-hydroxyethyl)-21,30,33-tris(hydroxymethyl)-39-isobutyl-27-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Endo-Leu26-Semaglutide

CAT No: CL-SGTD-102 CAS No: NA Mol Wt: 4226.8 Mol F: C193H302N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S,36S)-24-((1H-indol-3-yl)methyl)-1-amino-33-benzyl-30-((S)-sec-butyl)-38-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18,21-diisobutyl-15-isopropyl-27-methyl-8,11,14,17,20,23,26,29,32,35-decaoxo-2,7,10,13,16,19,22,25,28,31,34-undecaazaoctatriacontan-36-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Endo-lle23-Semaglutide

CAT No: CL-SGTD-103 CAS No: NA Mol Wt: 4226.8 Mol F: C193H302N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S,36S)-21-((1H-indol-3-yl)methyl)-1-amino-33-benzyl-27,30-di((S)-sec-butyl)-38-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32,35-decaoxo-2,7,10,13,16,19,22,25,28,31,34-undecaazaoctatriacontan-36-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Fmoc-D-Ala-OH

CAT No: CL-SGTD-104 CAS No: 884880-37-9 Mol Wt: 311.3 : 18.0 Mol F: C18H17NO4 : H2O Inv Status: Custom Synthesis

Chemical Name: (((9H-fluoren-9-yl)methoxy)carbonyl)-D-alanine hydrate

Fmoc-D-Gln(Trt)-OH

CAT No: CL-SGTD-105 CAS No: 200623-62-7 Mol Wt: 610.7 Mol F: C39H34N2O5 Inv Status: Custom Synthesis

Chemical Name: N2-(((9H-fluoren-9-yl)methoxy)carbonyl)-N5-trityl-D-glutamine

Fmoc-D-Glu(OtBu)-OH

CAT No: CL-SGTD-106 CAS No: 104091-08-9 Mol Wt: 425.5 Mol F: C24H27NO6 Inv Status: Custom Synthesis

Chemical Name: (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(tert-butoxy)-5-oxopentanoic acid

Fmoc-D-Ile-OH

CAT No: CL-SGTD-107 CAS No: 143688-83-9 Mol Wt: 353.4 Mol F: C21H23NO4 Inv Status: Custom Synthesis

Chemical Name: (((9H-Fluoren-9-yl)methoxy)carbonyl)-D-isoleucine

Fmoc-D-Phe-OH

CAT No: CL-SGTD-108 CAS No: 86123-10-6 Mol Wt: 387.4 Mol F: C24H21NO4 Inv Status: Custom Synthesis

Chemical Name: (((9H-fluoren-9-yl)methoxy)carbonyl)-D-phenylalanine

Fmoc-D-Trp(Boc)-OH

CAT No: CL-SGTD-109 CAS No: 163619-04-3 Mol Wt: 526.6 Mol F: C31H30N2O6 Inv Status: Custom Synthesis

Chemical Name: Na-(((9H-fluoren-9-yl)methoxy)carbonyl)-1-(tert-butoxycarbonyl)-D-tryptophan

Fmoc-D-Val-OH

CAT No: CL-SGTD-110 CAS No: 84624-17-9 Mol Wt: 339.4 Mol F: C20H21NO4 Inv Status: Custom Synthesis

Chemical Name: (((9H-fluoren-9-yl)methoxy)carbonyl)-D-valine

Iso [ASP-9]-Semaglutide

CAT No: CL-SGTD-111 CAS No: NA Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21R,25S,28S,31S,34S,37S,40S,46S,49S,52S,55S,82R)-55-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-46-(3-amino-3-oxopropyl)-12-benzyl-40-(2-carboxyethyl)-34-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,28,31-tris(hydroxymethyl)-37-isobutyl-25-isopropyl-49,52-dimethyl-4,7,10,13,16,19,23,26,29,32,35,38,41,44,47,50,53,61,70,79,84-henicosaoxo-63,66,72,75-tetraoxa-5,8,11,14,17,20,24,27,30,33,36,39,42,45,48,51,54,60,69,78,83-henicosaazahectane-1,21,82,100-tetracarboxylic acid

Semaglutide Endo Gly-10 Impurity

CAT No: CL-SGTD-113 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,42S,48S,51S,54S,57S,84S)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-15-benzyl-42-(2-carboxyethyl)-24-(carboxymethyl)-36-(4-hydroxybenzyl)-12,18-bis((R)-1-hydroxyethyl)-21,30,33-tris(hydroxymethyl)-39-isobutyl-27-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

[4-31] -Semaglutide

CAT No: CL-SGTD-114 CAS No: NA Mol Wt: 3762.3 Mol F: C172H270N40O54 Inv Status: Custom Synthesis

Chemical Name: (2S,5S,8S,11S,14S,17S,20S,26S,29S,32S,35S,62R)-35-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-26-(3-amino-3-oxopropyl)-2-((2S,5S,8S,11S)-14-amino-8-benzyl-5,11-bis((R)-1-hydroxyethyl)-2-(hydroxymethyl)-4,7,10,13-tetraoxo-3,6,9,12-tetraazatetradecanamido)-20-(2-carboxyethyl)-14-(4-hydroxybenzyl)-8,11-bis(hydroxymethyl)-17-isobutyl-5-isopropyl-29,32-dimethyl-3,6,9,12,15,18,21,24,27,30,33,41,50,59,64-pentadecaoxo-43,46,52,55-tetraoxa-4,7,10,13,16,19,22,25,28,31,34,40,49,58,63-pentadecaazaoctacontane-1,62,80-tricarboxylic acid

[Trp25(tBu)]-Semaglutide

CAT No: CL-SGTD-115 CAS No: NA Mol Wt: 4169.7 Mol F: C191H299N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-54-(((6R,12R,15R,18R,21S,24S,27S,30S,33S)-1-amino-30-benzyl-27-((S)-sec-butyl)-21-((2-(tert-butyl)-1H-indol-3-yl)methyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Acetaldehyde adduct of Semaglutide

CAT No: CL-SGTD-116 CAS No: NA Mol Wt: 4139.7 Mol F: C189H293N45O59 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-Indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-3-(2-methyl-2-(4-methyl-4,5,6,7-tetrahydro-1H-imidazo[4,5-c]pyridine-6-carboxamido)propanamido)-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Aspartimide Semaglutide Impurity

CAT No: CL-SGTD-117 CAS No: NA Mol Wt: 4095.6 Mol F: C187H289N45O58 Inv Status: Custom Synthesis

Chemical Name: (4S,10S,13S,16S,19S,22S,25S,28S,31S,34S,61R)-19-((1H-indol-3-yl)methyl)-34-((2S,5S,8S,14S,17S,20S,23S,26S,29S)-8-(3-amino-3-oxopropyl)-29-(3-((2S,5S,8S,11S,17S,23S)-23-amino-8-benzyl-17-(2-carboxyethyl)-5,11-bis((R)-1-hydroxyethyl)-2-(hydroxymethyl)-24-(1H-imidazol-4-yl)-20,20-dimethyl-4,7,10,13,16,19,22-heptaoxo-3,6,9,12,15,18,21-heptaazatetracosanamido)-2,5-dioxopyrrolidin-1-yl)-14-(2-carboxyethyl)-20-(4-hydroxybenzyl)-23,26-bis(hydroxymethyl)-17-isobutyl-2,5,30-trimethyl-4,7,10,13,16,19,22,25,28-nonaoxo-3,6,9,12,15,18,21,24,27-nonaazahentriacontanamido)-28-benzyl-25-((S)-sec-butyl)-31-(2-carboxyethyl)-4,10-bis(3-guanidinopropyl)-16-isobutyl-13-isopropyl-22-methyl-3,6,9,12,15,18,21,24,27,30,33,40,49,58,63-pentadecaoxo-42,45,51,54-tetraoxa-2,5,8,11,14,17,20,23,26,29,32,39,48,57,62-pentadecaazanonaheptacontane-1,61,79-tricarboxylic acid

Des-[Ser8]-Semaglutide

CAT No: CL-SGTD-118 CAS No: NA Mol Wt: 4026.6 Mol F: C184H286N44O57 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,42S,45S,48S,51S,78R)-51-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-42-(3-amino-3-oxopropyl)-12-benzyl-36-(2-carboxyethyl)-18-(carboxymethyl)-30-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-24,27-bis(hydroxymethyl)-33-isobutyl-21-isopropyl-45,48-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,57,66,75,80-icosaoxo-59,62,68,71-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,56,65,74,79-icosaazahexanonacontane-1,78,96-tricarboxylic acid

Endo-Aib2-Semaglutide

CAT No: CL-SGTD-119 CAS No: NA Mol Wt: 4198.7 Mol F: C191H298N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Endo-Gly31-semaglutide

CAT No: CL-SGTD-120 CAS No: NA Mol Wt: 4170.7 Mol F: C189H294N46O60 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((7S,13S,16S,19S,22S,25S,28S,31S,34S)-22-((1H-indol-3-yl)methyl)-31-benzyl-28-((S)-sec-butyl)-1,36-dicarboxy-7,13-bis(3-guanidinopropyl)-19-isobutyl-16-isopropyl-25-methyl-3,6,9,12,15,18,21,24,27,30,33-undecaoxo-2,5,8,11,14,17,20,23,26,29,32-undecaazahexatriacontan-34-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Endo-Ile23-Semaglutide

CAT No: CL-SGTD-121 CAS No: NA Mol Wt: 4000.5 Mol F: C181H280N44O58 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S)-21-((1H-indol-3-yl)methyl)-1-amino-27-benzyl-32-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29-octaoxo-2,7,10,13,16,19,22,25,28-nonaazadotriacontan-30-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Endo-Thr5-Semaglutide

CAT No: CL-SGTD-122 CAS No: NA Mol Wt: 4214.7 Mol F: C191H298N46O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,42S,48S,51S,54S,57S,84R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-15-benzyl-42-(2-carboxyethyl)-24-(carboxymethyl)-36-(4-hydroxybenzyl)-9,12,18-tris((R)-1-hydroxyethyl)-21,30,33-tris(hydroxymethyl)-39-isobutyl-27-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

Endo-Tyr13-Semaglutide

CAT No: CL-SGTD-123 CAS No: NA Mol Wt: 4276.8 Mol F: C196H300N46O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,42S,48S,51S,54S,57S,84R)-57-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-3-(2-((S)-2-amino-3-(1H-imidazol-4-yl)propanamido)-2-methylpropanamido)-48-(3-amino-3-oxopropyl)-12-benzyl-42-(2-carboxyethyl)-21-(carboxymethyl)-33,36-bis(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-39-isobutyl-24-isopropyl-51,54-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,55,63,72,81,86-docosaoxo-65,68,74,77-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,56,62,71,80,85-docosaazadohectane-1,84,102-tricarboxylic acid

His-Cyclic-Semaglutide

CAT No: CL-SGTD-124 CAS No: NA Mol Wt: 4125.7 Mol F: C188H291N45O59 Inv Status: Custom Synthesis

Chemical Name: ?(3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-39-(2-carboxyethyl)-21-(carboxymethyl)-33(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-3-(2-methyl-2-((S)-4,5,6,7-tetrahydro-3H-imidazo[4,5-c]pyridine-6-carboxamido)propanamido)-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Protected Semaglutide Impurity

CAT No: CL-SGTD-125 CAS No: NA Mol Wt: 4456.1 Mol F: C211H313N45O61 Inv Status: Custom Synthesis

Chemical Name: (3S,9S,12S,15S,18S,21S,24S,27S,30S,33S,36S,39S,45S,48S,51S,54S,81R)-54-(((6S,12S,15S,18S,21S,24S,27S,30S,33S)-21-((1H-indol-3-yl)methyl)-1-amino-30-benzyl-27-((S)-sec-butyl)-35-carboxy-6-((carboxymethyl)carbamoyl)-12-(3-guanidinopropyl)-1-imino-18-isobutyl-15-isopropyl-24-methyl-8,11,14,17,20,23,26,29,32-nonaoxo-2,7,10,13,16,19,22,25,28,31-decaazapentatriacontan-33-yl)carbamoyl)-45-(3-amino-3-oxopropyl)-12-benzyl-3-(2-((R)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-5-yl)propanamido)-2-methylpropanamido)-39-(2-carboxyethyl)-21-(carboxymethyl)-33-(4-hydroxybenzyl)-9,15-bis((R)-1-hydroxyethyl)-18,27,30-tris(hydroxymethyl)-36-isobutyl-24-isopropyl-48,51-dimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52,60,69,78,83-henicosaoxo-62,65,71,74-tetraoxa-5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50,53,59,68,77,82-henicosaazanonanonacontane-1,81,99-tricarboxylic acid

Semaglutide (Semi-Synthetic)

CAT No: CL-SGTD-126 CAS No: 910463-68-2 Mol Wt: 4113.6 Mol F: C187H291N45O59 Inv Status: Custom Synthesis

Chemical Name: Glycine,?L-histidyl-2-methylalanyl-L-?-glutamylglycyl-L-threonyl-L-phenylalanyl-L-threonyl-L-seryl-L-?-aspartyl-L-valyl-L-seryl-L-seryl-L-tyrosyl-L-leucyl-L-?-glutamylglycyl-L-glutaminyl-L-alanyl-L-alanyl-N6-[N-(17-carboxy-1-oxoheptadecyl)-L-?-glutamyl-2-[2-(2-aminoethoxy)ethoxy]acetyl-2-[2-(2-aminoethoxy)ethoxy]acetyl]-L-lysyl-L-?-glutamyl-L-phenylalanyl-L-isoleucyl-L-alanyl-L-tryptophyl-L-leucyl-L-valyl-L-arginylglycyl-L-arginyl

Type:Impurity Reference Standard

API NAME:Semaglutide

Total Products: 123

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