Impurity Reference Standard - Products

1-(2-Aminophenyl)ethanone

CAT No: CL-LGPT-23 CAS No: 551-93-9 Mol Wt: 135.2 Mol F: C8H9NO Inv Status: Custom Synthesis

Chemical Name: 1-(2-Aminophenyl)ethan-1-one

Ligliptin

CAT No: CL-LGPT-24 CAS No: 668270-12-0 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione; ONDERO; Tradjenta; Trazenta; 1H-Purine-2,6-dione, 8-[(3R)-3-amino-1-piperidinyl]-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quizolinyl)methyl]- (9CI);

Ligliptin 2-Chloromethyl Impurity

CAT No: CL-LGPT-25 CAS No: 109113-72-6 Mol Wt: 192.7 Mol F: C10H9ClN2 Inv Status: Custom Synthesis

Chemical Name: 2-(Chloromethyl)-4-methylquizoline

Ligliptin 8-Bromo Impurity

CAT No: CL-LGPT-26 CAS No: 93703-24-3 Mol Wt: 245 Mol F: C6H5BrN4O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-3-methyl-3,9-dihydro-1H-purine-2,6-dione

Ligliptin Bromo Impurity

CAT No: CL-LGPT-27 CAS No: 1446263-39-3 Mol Wt: 553.5 Mol F: C25H29BrN8O2 Inv Status: Custom Synthesis

Chemical Name: (R, E)-8-(3-Aminopiperidin-1-yl)-7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4- methylquizolin-2-yl) methyl)-1H-purine-2, 6(3H, 7H)-dione

Ligliptin Diene Impurity

CAT No: CL-LGPT-28 CAS No: 2463617-43-6 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-7-(buta-1,2-dien-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimer Impurity 2

CAT No: CL-LGPT-29 CAS No: 1418133-47-7 Mol Wt: 945.1 Mol F: C50H56N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-1-((4-((2-((8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)-4-methyl-1,4-dihydroquizolin-4-yl)methyl)quizolin-2-yl)methyl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimethyl impurity

CAT No: CL-LGPT-30 CAS No: 1646355-34-1 Mol Wt: 417.5 Mol F: C22H23N7O2 Inv Status: Custom Synthesis

Chemical Name: 7-(but-2-yn-1-yl)-8-(dimethylamino)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 13

CAT No: CL-LGPT-31 CAS No: 2279114-31-5 Mol Wt: 472.3 Mol F: C20H18BrN5O4 Inv Status: Custom Synthesis

Chemical Name: N-(2-Acetylphenyl)-2-(8-bromo-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)acetamide

Ligliptin Impurity 16

CAT No: CL-LGPT-32 CAS No: 1911621-52-7 Mol Wt: 374.4 Mol F: C20H18N6O2 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 20

CAT No: CL-LGPT-33 CAS No: 2514949-81-4 Mol Wt: 356.5 Mol F: C20H28N4O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-((4-methylquizolin-2-yl)methyl)piperidin-3-yl)carbamate

Ligliptin Impurity 21

CAT No: CL-LGPT-34 CAS No: 666816-91-7 Mol Wt: 416.5 Mol F: C20H28N6O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

Ligliptin Impurity 22

CAT No: CL-LGPT-35 CAS No: 2518331-40-1 Mol Wt: 468.6 Mol F: C24H32N6O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(1,7-di(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

Ligliptin Impurity 30

CAT No: CL-LGPT-36 CAS No: 1573118-33-8 Mol Wt: 616.7 Mol F: C34H32N8O4 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(But-2-yn-1-yl)-3-methyl-8-(3-(5-methyl-1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 31

CAT No: CL-LGPT-37 CAS No: NA Mol Wt: 556.7 Mol F: C30H36N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)pivalamide

Ligliptin Impurity 32

CAT No: CL-LGPT-38 CAS No: 853029-57-9 Mol Wt: 453.3 Mol F: C20H17BrN6O2 Inv Status: Custom Synthesis

Chemical Name: 1-[(4-Methylquizolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine; 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quizolinyl)methyl]-1H-purine-2,6-dione

Ligliptin Impurity 34

CAT No: CL-LGPT-39 CAS No: 2074688-84-7 Mol Wt: 433.5 Mol F: C22H23N7O3 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-8-((2-hydroxyethyl)amino)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 35

CAT No: CL-LGPT-40 CAS No: 2443735-53-1 Mol Wt: 702.8 Mol F: C38H42N10O4 Inv Status: Custom Synthesis

Chemical Name: 2-((R)-3-aminopiperidine-1-carbonyl)-N-((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1Hpurin-8-yl)piperidin-3-yl)benzamide

Ligliptin Impurity 37

CAT No: CL-LGPT-41 CAS No: 2074688-81-4 Mol Wt: 620.7 Mol F: C33H32N8O5 Inv Status: Custom Synthesis

Chemical Name: (R)-2-((1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1Hpurin-8-yl)piperidin-3-yl)carbamoyl)benzoic acid

Ligliptin Impurity 4

CAT No: CL-LGPT-42 CAS No: NA Mol Wt: 628.7 Mol F: C35H36N10O2 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-(3-(((4-methylquizolin-2-yl)methyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 41

CAT No: CL-LGPT-43 CAS No: 622-31-1 Mol Wt: 121.1 Mol F: C7H7NO Inv Status: Custom Synthesis

Chemical Name: (E)-Benzaldehyde oxime

Ligliptin Impurity 42

CAT No: CL-LGPT-44 CAS No: NA Mol Wt: 490.6 Mol F: C25H30N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-7-(3- oxobutyl)-1H-purine-2,6(3H,7H)-dione

Ligliptin Impurity 43

CAT No: CL-LGPT-45 CAS No: 1807608-59-8 Mol Wt: 488.6 Mol F: C25H28N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-7-(4-hydroxybut-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 44

CAT No: CL-LGPT-46 CAS No: 1791405-13-4 Mol Wt: 316.4 Mol F: C15H20N6O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 45

CAT No: CL-LGPT-47 CAS No: NA Mol Wt: 504.6 Mol F: C26H32N8O3 Inv Status: Custom Synthesis

Chemical Name: (R,E)-8-(3-aminopiperidin-1-yl)-7-(4-hydroxy-3-methylbut-2-en-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 46

CAT No: CL-LGPT-48 CAS No: NA Mol Wt: 486.6 Mol F: C26H30N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-3-methyl-8-(3-(methylamino)piperidin-1-yl)-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 48

CAT No: CL-LGPT-49 CAS No: 309956-78-3 Mol Wt: 200.3 Mol F: C10H20N2O2 Inv Status: Custom Synthesis

Chemical Name: tert-butyl (R)-piperidin-3-ylcarbamate

Ligliptin Impurity 49

CAT No: CL-LGPT-50 CAS No: 2468656-63-3 Mol Wt: 403.4 Mol F: C21H21N7O2 Inv Status: Custom Synthesis

Chemical Name: 7-(but-2-yn-1-yl)-3-methyl-8-(methylamino)-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 5

CAT No: CL-LGPT-51 CAS No: 2253964-85-9 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (S)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-(piperidin-3-ylamino)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 50

CAT No: CL-LGPT-52 CAS No: NA Mol Wt: 378 Mol F: C10H10Br2N4O2 Inv Status: Custom Synthesis

Chemical Name: (E)-8-Bromo-7-(3-bromobut-2-en-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 52

CAT No: CL-LGPT-53 CAS No: 586408-08-4 Mol Wt: 218.2 Mol F: C10H10N4O2 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 54

CAT No: CL-LGPT-54 CAS No: NA Mol Wt: 476.6 Mol F: C25H32N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-7-butyl-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 55

CAT No: CL-LGPT-55 CAS No: 2436762-89-7 Mol Wt: 349.2 Mol F: C14H13BrN4O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-1,7-di(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 56

CAT No: CL-LGPT-56 CAS No: 2749405-42-1 Mol Wt: 401.2 Mol F: C16H13BrN6O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-3-methyl-7-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 58

CAT No: CL-LGPT-57 CAS No: NA Mol Wt: 270.3 Mol F: C14H14N4O2 Inv Status: Custom Synthesis

Chemical Name: 1,7-Di(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 66

CAT No: CL-LGPT-58 CAS No: NA Mol Wt: 291.4 Mol F: C18H17N3O Inv Status: Custom Synthesis

Chemical Name: 1-(2-(((4-Methylquizolin-2-yl)methyl)amino)phenyl)ethan-1-one

Ligliptin Impurity 7

CAT No: CL-LGPT-59 CAS No: 2416949-69-2 Mol Wt: 491.6 Mol F: C25H29N7O4 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(2-acetylphenyl)-2-(8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)acetamide

Ligliptin Impurity 79

CAT No: CL-LGPT-60 CAS No: 454713-13-4 Mol Wt: 290.4 Mol F: C17H26N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-benzylpiperidin-3-yl)carbamate

Ligliptin Impurity 8

CAT No: CL-LGPT-61 CAS No: NA Mol Wt: 500.6 Mol F: C26H28N8O3 Inv Status: Custom Synthesis

Chemical Name: (S)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)formamide

Ligliptin Impurity 93

CAT No: CL-LGPT-62 CAS No: 1339955-47-3 Mol Wt: 434.5 Mol F: C22H26N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-3,7-dimethyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 95

CAT No: CL-LGPT-63 CAS No: NA Mol Wt: 206.7 Mol F: C11H11ClN2 Inv Status: Custom Synthesis

Chemical Name: 2-(Chloromethyl)-4-ethylquizoline

Ligliptin Impurity B

CAT No: CL-LGPT-64 CAS No: 2138392-83-1 Mol Wt: 557.4 Mol F: C26H21BrN8O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-3-methyl-1,7-bis((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity D

CAT No: CL-LGPT-65 CAS No: NA Mol Wt: 390.4 Mol F: C20H18N6O3 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-8-hydroxy-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity G

CAT No: CL-LGPT-66 CAS No: NA Mol Wt: 676.8 Mol F: C36H40N10O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(3-methyl-1,7-bis((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

Ligliptin Impurity M

CAT No: CL-LGPT-67 CAS No: NA Mol Wt: 256.4 Mol F: C15H20N4 Inv Status: Custom Synthesis

Chemical Name: (R)-1-((4-methylquizolin-2-yl)methyl)piperidin-3-amine

Ligliptin Impurity N

CAT No: CL-LGPT-68 CAS No: NA Mol Wt: 576.7 Mol F: C31H32N10O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-3-methyl-1,7-bis((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin N,N?-Methylene Dimer

CAT No: CL-LGPT-69 CAS No: 2489212-72-6 Mol Wt: 957.1 Mol F: C51H56N16O4 Inv Status: Custom Synthesis

Chemical Name: 8,8'-((3R,3'R)-(methylenebis(azanediyl))bis(piperidine-3,1-diyl))bis(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione)

Ligliptin N-Acetyl Impurity

CAT No: CL-LGPT-70 CAS No: 1803079-49-3 Mol Wt: 514.6 Mol F: C27H30N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)acetamide

Ligliptin Phthalimide Impurity

CAT No: CL-LGPT-71 CAS No: 886588-63-2 Mol Wt: 602.7 Mol F: C33H30N8O4 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-8-(3-(1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Regio Isomer

CAT No: CL-LGPT-72 CAS No: 1446263-38-2 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-(piperidin-3-ylamino)-3,7-dihydro-1H-purine-2,6-dione; Des-(R)-piperidin-3-amine 8-(R)-(Piperidin-3-ylamino) Ligliptin;

Ligliptin Related Compound A

CAT No: CL-LGPT-73 CAS No: 666816-98-4 Mol Wt: 297.1 Mol F: C10H9BrN4O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Related Compound B

CAT No: CL-LGPT-74 CAS No: 668273-75-4 Mol Wt: 572.7 Mol F: C30H36N8O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

Ligliptin Related Compound C

CAT No: CL-LGPT-75 CAS No: 2137744-33-1 Mol Wt: 500.6 Mol F: C26H28N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)formamide

Ligliptin S-Isomer

CAT No: CL-LGPT-76 CAS No: 668270-11-9 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (S)-8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Stereochemical Impurity

CAT No: CL-LGPT-77 CAS No: 1383917-84-7 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: 8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

N-Aminoacyl Ligliptin

CAT No: CL-LGPT-78 CAS No: 2983074-55-9 Mol Wt: 515.6 Mol F: C26H29N9O3 Inv Status: Custom Synthesis

Chemical Name: (R)-1-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)urea

N-Depiperidin-3-Amine Ligliptin Dimer

CAT No: CL-LGPT-79 CAS No: 2253964-98-4 Mol Wt: 844.9 Mol F: C45H44N14O4 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(But-2-yn-1-yl)-8-(3-((7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)amino)piperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Trifluoro acetyl amino Ligliptin

CAT No: CL-LGPT-80 CAS No: 1673546-62-7 Mol Wt: 568.6 Mol F: C27H27F3N8O3 Inv Status: Custom Synthesis

Chemical Name: N-[(3R)-1-[7-(but-2-yn-1-yl)-3-methyl-1-[(4-methylquizolin -2-yl)methyl]-2,6-dioxo-2,3,6,7- tetrahydro-1H-purin-8-yl] piperidin-3-yl]-2,2,2- trifluoroacetamide

Hydroxy Methyl Ligliptin

CAT No: CL-LGPT-81 CAS No: NA Mol Wt: 518.6 Mol F: C27H34N8O3 Inv Status: Custom Synthesis

Chemical Name: 8-[(3R)-3-aminopiperidin-1-yl]-7-[(2E)-4-hydroxy-3-methylbut-2-en-1-yl]-3-methyl-1-[(4-ethylquizolin-2-yl)methyl]-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 97

CAT No: CL-LGPT-82 CAS No: NA Mol Wt: 504.6 Mol F: C26H32N8O3 Inv Status: Custom Synthesis

Chemical Name: (R,Z)-8-(3-aminopiperidin-1-yl)-7-(4-hydroxy-3-methylbut-2-en-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity-VII

CAT No: CL-LGPT-83 CAS No: NA Mol Wt: 634.7 Mol F: C31H38N8O7 Inv Status: Custom Synthesis

Chemical Name: 7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-((3R)-3-((3,4,5,6-tetrahydroxy-2-oxohexyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

2-(Chloro methyl)quizoline

CAT No: CL-LGPT-84 CAS No: 6148-18-1 Mol Wt: 178.6 Mol F: C9H7ClN2 Inv Status: Custom Synthesis

Chemical Name: 2-(Chloromethyl)quizoline

Ligliptin Dimer Impurity

CAT No: CL-LGPT-85 CAS No: NA Mol Wt: 986.2 Mol F: C52H59N17O4 Inv Status: Custom Synthesis

Chemical Name: 1-((4-(2-(((5R)-5-amino-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)propyl)quizolin-2-yl)methyl)-8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimer Impurity 3

CAT No: CL-LGPT-86 CAS No: NA Mol Wt: 973.2 Mol F: C52H60N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-1-((4-(2-(((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)propyl)-4a,8a-dihydroquizolin-2-yl)methyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimer Impurity 4

CAT No: CL-LGPT-87 CAS No: NA Mol Wt: 971.1 Mol F: C52H58N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-1-((4-((S)-2-(((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)propyl)quizolin-2-yl)methyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimer Impurity 5

CAT No: CL-LGPT-88 CAS No: NA Mol Wt: 1099.3 Mol F: C60H62N18O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-1-((4-(3-(2-((8-((S)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)quizolin-4-yl)-2-(4-methylquizolin-2-yl)propyl)quizolin-2-yl)methyl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimer Impurity 6

CAT No: CL-LGPT-89 CAS No: 2463617-49-2 Mol Wt: 957.1 Mol F: C51H56N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-1-((4-(2-(((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)ethyl)quizolin-2-yl)methyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Dimer Impurity 7

CAT No: CL-LGPT-90 CAS No: NA Mol Wt: 1033.2 Mol F: C57H60N16O4 Inv Status: Custom Synthesis

Chemical Name: 1,1'-(((2-Phenylpropane-1,3-diyl)bis(quizoline-4,2-diyl))bis(methylene))bis(8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione)

Ligliptin Dimer Impurity 8

CAT No: CL-LGPT-91 CAS No: NA Mol Wt: 957.1 Mol F: C51H56N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((S)-3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-1-((4-(2-(((S)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)ethyl)quizolin-2-yl)methyl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 12

CAT No: CL-LGPT-92 CAS No: NA Mol Wt: 634.7 Mol F: C31H38N8O7 Inv Status: Custom Synthesis

Chemical Name: 7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-((3R)-3-(((Z)-2,3,4,5,6-pentahydroxyhex-1-en-1-yl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 17

CAT No: CL-LGPT-93 CAS No: NA Mol Wt: 957.1 Mol F: C51H56N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-1-((4-(3-(2-((8-((S)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)quizolin-4-yl)propyl)quizolin-2-yl)methyl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 23

CAT No: CL-LGPT-94 CAS No: NA Mol Wt: 520.6 Mol F: C26H32N8O4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamate

Ligliptin Impurity 24

CAT No: CL-LGPT-95 CAS No: NA Mol Wt: 212.3 Mol F: C11H24N4 Inv Status: Custom Synthesis

Chemical Name: N-((R)-piperidin-3-yl)-N'-((S)-piperidin-3-yl)methanediamine

Ligliptin Impurity 25

CAT No: CL-LGPT-96 CAS No: NA Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-1-(but-2-yn-1-yl)-3-methyl-7-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 26

CAT No: CL-LGPT-97 CAS No: NA Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-7-(buta-2,3-dien-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 28

CAT No: CL-LGPT-98 CAS No: NA Mol Wt: 455.3 Mol F: C20H19BrN6O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-6-((4-methylquizolin-2-yl)methoxy)-1,3,6,7-tetrahydro-2H-purin-2-one

Ligliptin Impurity 29

CAT No: CL-LGPT-99 CAS No: NA Mol Wt: 455.3 Mol F: C20H19BrN6O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-2-((4-methylquizolin-2-yl)methoxy)-1,2,3,7-tetrahydro-6H-purin-6-one

Ligliptin Impurity 36

CAT No: CL-LGPT-100 CAS No: 2074688-82-5 Mol Wt: 1075.2 Mol F: C58H58N16O6 Inv Status: Custom Synthesis

Chemical Name: N,N?-bis((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1Hpurin-8-yl)piperidin-3-yl)phthalamide

Ligliptin Impurity 38

CAT No: CL-LGPT-101 CAS No: 13535-91-6 Mol Wt: 174.2 Mol F: C10H10N2O Inv Status: Custom Synthesis

Chemical Name: (4-Methylquizolin-2-yl)methanol

Ligliptin Impurity 39

CAT No: CL-LGPT-102 CAS No: 6972-77-6 Mol Wt: 141.1 Mol F: C5H7N3O2 Inv Status: Custom Synthesis

Chemical Name: 1-(2-Cyano-acetyl)-3-methyl-urea

Ligliptin Impurity 40

CAT No: CL-LGPT-103 CAS No: 6972-78-7 Mol Wt: 170.1 Mol F: C5H6N4O3 Inv Status: Custom Synthesis

Chemical Name: 6-Amino-1-methyl-5-nitrosouracil

Ligliptin Impurity 51

CAT No: CL-LGPT-104 CAS No: 6640-59-1 Mol Wt: 208.6 Mol F: C10H9ClN2O Inv Status: Custom Synthesis

Chemical Name: 2-(Chloromethyl)-4-methylquizoline 3-oxide

Ligliptin Impurity 53

CAT No: CL-LGPT-105 CAS No: 2514724-20-8 Mol Wt: 472.6 Mol F: C25H28N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-6-((4-methylquizolin-2-yl)methoxy)-3,7-dihydro-2H-purin-2-one

Ligliptin Impurity 57

CAT No: CL-LGPT-106 CAS No: NA Mol Wt: 534.2 Mol F: C20H18Br2N6O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-8-Bromo-7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 59

CAT No: CL-LGPT-107 CAS No: NA Mol Wt: 299.1 Mol F: C10H11BrN4O2 Inv Status: Custom Synthesis

Chemical Name: (Z)-7-(3-Bromobut-2-en-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 6 TriHCl

CAT No: CL-LGPT-108 CAS No: NA Mol Wt: 945.1 3(36.5) Mol F: C50H56N16O4 3(HCl) Inv Status: Custom Synthesis

Chemical Name: 8-((S)-3-aminopiperidin-1-yl)-1-((4-((2-((8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)-4-methyl-3,4-dihydroquizolin-4-yl)methyl)quizolin-2-yl)methyl)-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione trihydrochloride

Ligliptin Impurity 60

CAT No: CL-LGPT-109 CAS No: NA Mol Wt: 471.6 Mol F: C26H29N7O2 Inv Status: Custom Synthesis

Chemical Name: 8-((3R)-3-Aminocyclohexyl)-1-(but-2-yn-1-yl)-3-methyl-7-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 61

CAT No: CL-LGPT-110 CAS No: NA Mol Wt: 575.7 Mol F: C32H33N9O2 Inv Status: Custom Synthesis

Chemical Name: 8-((3R)-3-Aminocyclohexyl)-3-methyl-1,7-bis((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 62

CAT No: CL-LGPT-111 CAS No: 14785-95-6 Mol Wt: 184.2 Mol F: C6H8N4O3 Inv Status: Custom Synthesis

Chemical Name: N-(6-Amino-1-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)formamide

Ligliptin Impurity 63

CAT No: CL-LGPT-112 CAS No: 86365-84-6 Mol Wt: 213.9 Mol F: C4H6Br2 Inv Status: Custom Synthesis

Chemical Name: (Z)-1,3-Dibromobut-2-ene

Ligliptin Impurity 64

CAT No: CL-LGPT-113 CAS No: 397246-12-7 Mol Wt: 219.3 Mol F: C10H21NO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1,5-dihydroxypentan-2-yl)carbamate

Ligliptin Impurity 65

CAT No: CL-LGPT-114 CAS No: 188111-79-7 Mol Wt: 200.3 Mol F: C10H20N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-3-aminopiperidine-1-carboxylate

Ligliptin Impurity 67

CAT No: CL-LGPT-115 CAS No: NA Mol Wt: 460.5 Mol F: C24H24N6O4 Inv Status: Custom Synthesis

Chemical Name: (S)-7-(but-2-yn-1-yl)-3-methyl-8-(3-(5-methyl-1,3-dioxoisoindolin-2-yl)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 68

CAT No: CL-LGPT-116 CAS No: NA Mol Wt: 400.5 Mol F: C24H24N4O2 Inv Status: Custom Synthesis

Chemical Name: (S)-5-Methyl-2-(1-((4-methylquizolin-2-yl)methyl)piperidin-3-yl)isoindoline-1,3-dione

Ligliptin Impurity 69

CAT No: CL-LGPT-117 CAS No: 2444011-29-2 Mol Wt: 634.7 Mol F: C34H34N8O5 Inv Status: Custom Synthesis

Chemical Name: Methyl (R)-2-((1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamoyl)benzoate

Ligliptin Impurity 70

CAT No: CL-LGPT-118 CAS No: NA Mol Wt: 471.6 Mol F: C26H29N7O2 Inv Status: Custom Synthesis

Chemical Name: 2-((S)-3-Aminopiperidin-1-yl)-1-((S)-buta-1,2-dien-1-yl)-4-methyl-6-((4-methylquizolin-2-yl)methyl)-1,4-dihydro-5H-imidazo[4,5-b]pyridine-5,7(6H)-dione

Ligliptin Impurity 71

CAT No: CL-LGPT-119 CAS No: NA Mol Wt: 861 Mol F: C48H48N10O6 Inv Status: Custom Synthesis

Chemical Name: N-((R)-1-(7-(But-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)-4-methyl-2-((S)-3-(5-methyl-1,3-dioxoisoindolin-2-yl)piperidine-1-carbonyl)benzamide

Ligliptin Impurity 72

CAT No: CL-LGPT-120 CAS No: 2074688-80-3 Mol Wt: 663.7 Mol F: C35H37N9O5 Inv Status: Custom Synthesis

Chemical Name: (R)-N1-(1-(7-(But-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)-N2-(2-hydroxyethyl)phthalamide

Ligliptin Impurity 73

CAT No: CL-LGPT-121 CAS No: 10357-68-3 Mol Wt: 231 Mol F: C5H3BrN4O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 74

CAT No: CL-LGPT-122 CAS No: NA Mol Wt: 354.4 Mol F: C18H22N6O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-1-(but-2-yn-1-yl)-3-methyl-7-(prop-2-yn-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 75

CAT No: CL-LGPT-123 CAS No: NA Mol Wt: 584.7 36.5 Mol F: C31H40N10O2 HCl Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-8-(3-(1-methyl-2-(piperidin-3-yl)hydrazinyl)piperidin-1-yl)-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione hydrochloride

Ligliptin Impurity 76

CAT No: CL-LGPT-124 CAS No: NA Mol Wt: 584.7 3(36.5) Mol F: C31H40N10O2 3(HCl) Inv Status: Custom Synthesis

Chemical Name: 7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-(3-(((piperidin-3-ylamino)methyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione trihydrochloride

Ligliptin Impurity 77

CAT No: CL-LGPT-125 CAS No: NA Mol Wt: 560.7 Mol F: C32H32N8O2 Inv Status: Custom Synthesis

Chemical Name: (R,E)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-styrylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 78

CAT No: CL-LGPT-126 CAS No: NA Mol Wt: 560.7 Mol F: C32H32N8O2 Inv Status: Custom Synthesis

Chemical Name: (R,Z)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-styrylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 80

CAT No: CL-LGPT-127 CAS No: NA Mol Wt: 420.5 Mol F: C21H24N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 81

CAT No: CL-LGPT-128 CAS No: 93720-76-4 Mol Wt: 303.4 Mol F: C14H25NO6 Inv Status: Custom Synthesis

Chemical Name: Diethyl (tert-butoxycarbonyl)-D-glutamate

Ligliptin Impurity 82

CAT No: CL-LGPT-129 CAS No: 2469626-53-5 Mol Wt: 546.6 Mol F: C30H26N8O3 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-8-((4-methylquizolin-2-yl)methoxy)-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 83

CAT No: CL-LGPT-130 CAS No: NA Mol Wt: 448.5 Mol F: C23H28N8O2 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-Aminopiperidin-1-yl)-3-methyl-1-((4-methyl-4a,8a-dihydroquizolin-2-yl)methyl)-7-vinyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 84

CAT No: CL-LGPT-131 CAS No: NA Mol Wt: 491.6 Mol F: C25H29N7O4 Inv Status: Custom Synthesis

Chemical Name: (S)-N-(2-Acetylphenyl)-2-(8-(3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)acetamide

Ligliptin Impurity 85

CAT No: CL-LGPT-132 CAS No: 6972-82-3 Mol Wt: 156.1 Mol F: C5H8N4O2 Inv Status: Custom Synthesis

Chemical Name: 5,6-Diamino-1-methylpyrimidine-2,4(1H,3H)-dione

Ligliptin Impurity 86

CAT No: CL-LGPT-133 CAS No: 2763799-91-1 Mol Wt: 486.5 Mol F: C25H26N8O3 Inv Status: Custom Synthesis

Chemical Name: (E)-7-(but-2-yn-1-yl)-8-(3-(hydroxyimino)piperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 87

CAT No: CL-LGPT-134 CAS No: 40673-76-5 Mol Wt: 197.7 Mol F: C10H12ClNO Inv Status: Custom Synthesis

Chemical Name: 1-(2-((2-Chloroethyl)amino)phenyl)ethan-1-one

Ligliptin Impurity 88

CAT No: CL-LGPT-135 CAS No: NA Mol Wt: 453.3 Mol F: C20H17BrN6O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-6-((4-methylquizolin-2-yl)methoxy)-3,7-dihydro-2H-purin-2-one

Ligliptin Impurity 89

CAT No: CL-LGPT-136 CAS No: 2446799-71-7 Mol Wt: 453.3 Mol F: C20H17BrN6O2 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-2-((4-methylquizolin-2-yl)methoxy)-3,7-dihydro-6H-purin-6-one

Ligliptin Impurity 9

CAT No: CL-LGPT-137 CAS No: NA Mol Wt: 515.6 Mol F: C27H33N9O2 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-8-(3-(2,2-dimethylhydrazinyl)piperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 90

CAT No: CL-LGPT-138 CAS No: NA Mol Wt: 546.6 Mol F: C30H26N8O3 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-2,8-bis((4-methylquizolin-2-yl)methoxy)-3,7-dihydro-6H-purin-6-one

Ligliptin Impurity 91

CAT No: CL-LGPT-139 CAS No: NA Mol Wt: 546.6 Mol F: C30H26N8O3 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-6,8-bis((4-methylquizolin-2-yl)methoxy)-3,7-dihydro-2H-purin-2-one

Ligliptin Impurity 92

CAT No: CL-LGPT-140 CAS No: 216854-24-9 Mol Wt: 290.4 Mol F: C17H26N2O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (S)-(1-benzylpiperidin-3-yl)carbamate

Ligliptin Impurity 94

CAT No: CL-LGPT-141 CAS No: 2749409-37-6 Mol Wt: 368.4 Mol F: C19H24N6O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-aminopiperidin-1-yl)-1,7-di(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity F

CAT No: CL-LGPT-142 CAS No: NA Mol Wt: 342.4 Mol F: C19H26N4O2 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(quizolin-2-ylmethyl)piperidin-3-yl)carbamate

Ligliptin Impurity I

CAT No: CL-LGPT-143 CAS No: NA Mol Wt: 478.5 Mol F: C23H26N8O4 Inv Status: Custom Synthesis

Chemical Name: (R)-(1-(3,7-dimethyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)carbamic acid

Ligliptin Impurity II

CAT No: CL-LGPT-144 CAS No: NA Mol Wt: 486.5 Mol F: C25H26N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-(3-nitrosopiperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Lactose Adduct

CAT No: CL-LGPT-145 CAS No: NA Mol Wt: 796.8 Mol F: C37H48N8O12 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-((3R)-3-((((3R,4R,5R)-2,3,5-trihydroxy-4-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)methyl)amino)piperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Metabolite CD1790

CAT No: CL-LGPT-146 CAS No: NA Mol Wt: 473.5 Mol F: C25H27N7O3 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-8-(3-hydroxypiperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin N-Acylated Aminoaryl Impurity

CAT No: CL-LGPT-147 CAS No: NA Mol Wt: 493.6 Mol F: C25H31N7O4 Inv Status: Custom Synthesis

Chemical Name: N-(2-Acetylphenyl)-2-(8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,4,5,6,7-hexahydro-1H-purin-1-yl)acetamide

Ligliptin Tartaric Acid Impurity

CAT No: CL-LGPT-148 CAS No: NA Mol Wt: 604.6 Mol F: C29H32N8O7 Inv Status: Custom Synthesis

Chemical Name: (2R,3R)-4-(((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)-2,3-dihydroxy-4-oxobutanoic acid

Ligliptine Chloro Impurity

CAT No: CL-LGPT-149 CAS No: 2138805-26-0 Mol Wt: 509 Mol F: C25H29ClN8O2 Inv Status: Custom Synthesis

Chemical Name: 8-(3-aminopiperidin-1-yl)-7-(3-chlorobut-2-en-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity S

CAT No: CL-LGPT-151 CAS No: 1638744-06-5 Mol Wt: 553.5 Mol F: C25H29BrN8O2 Inv Status: Custom Synthesis

Chemical Name: (R,Z)-8-(3-aminopiperidin-1-yl)-7-(3-bromobut-2-en-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 100

CAT No: CL-LGPT-152 CAS No: NA Mol Wt: 502.5 Mol F: C25H26N8O4 Inv Status: Custom Synthesis

Chemical Name: 7-(But-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-(3-nitropiperidin-1-yl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 47

CAT No: CL-LGPT-153 CAS No: NA Mol Wt: 488.6 Mol F: C25H28N8O3 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(But-2-yn-1-yl)-8-(3-(hydroxyamino)piperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Impurity 96

CAT No: CL-LGPT-154 CAS No: 137618-48-5 Mol Wt: 191.2 Mol F: C8H17NO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (2,3-dihydroxypropyl)carbamate

Ligliptin Impurity 98

CAT No: CL-LGPT-155 CAS No: NA Mol Wt: 945.1 Mol F: C50H56N16O4 Inv Status: Custom Synthesis

Chemical Name: 8-((R)-3-aminopiperidin-1-yl)-3-methyl-1-((4-(2-(((3R)-1-(3-methyl-1-((4-methyl-4a,8a-dihydroquizolin-2-yl)methyl)-2,6-dioxo-7-(prop-1-yn-1-yl)-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)propyl)quizolin-2-yl)methyl)-9-(prop-1-yn-1-yl)-3,9-dihydro-1H-purine-2,6-dione

Ligliptin N-Oxide Impurity 1

CAT No: CL-LGPT-156 CAS No: NA Mol Wt: 488.6 Mol F: C25H28N8O3 Inv Status: Custom Synthesis

Chemical Name: 3-Amino-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidine 1-oxide

Ligliptin D3

CAT No: CL-LGPT-157 CAS No: 1398044-48-8 Mol Wt: 475.6 Mol F: C25H25D3N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl-4,4,4-d3)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin D4

CAT No: CL-LGPT-158 CAS No: 2140263-92-7 Mol Wt: 476.6 Mol F: C25H24D4N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl-2,2,6,6-d4)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin-13C-d3

CAT No: CL-LGPT-159 CAS No: 1398044-43-3 Mol Wt: 476.6 Mol F: 13C C24H25D3N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl-4-13C-4,4,4-d3)-3-methyl-1-((5-methylquizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin-d3

CAT No: CL-LGPT-160 CAS No: NA Mol Wt: 475.6 Mol F: C25H25D3N8O2 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-((4-(methyl-d3)quizolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Nitroso Impurity 10

CAT No: CL-LGPT-161 CAS No: NA Mol Wt: 432.4 Mol F: C21H20N8O3 Inv Status: Custom Synthesis

Chemical Name: N-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)-N-methylnitrous amide

Ligliptin Nitroso Impurity 5

CAT No: CL-LGPT-162 CAS No: 2396758-93-1 Mol Wt: 229.3 Mol F: C10H19N3O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (1-nitrosopiperidin-4-yl)carbamate

Ligliptin Regio Isomer Nitroso Impurity 1

CAT No: CL-LGPT-163 CAS No: NA Mol Wt: 501.6 Mol F: C25H27N9O3 Inv Status: Custom Synthesis

Chemical Name: (R)-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-8-((1-nitrosopiperidin-3-yl)amino)-3,7-dihydro-1H-purine-2,6-dione

N-Nitroso Ligliptin Impurity

CAT No: CL-LGPT-164 CAS No: 3031851-92-7 Mol Wt: 229.3 Mol F: C10H19N3O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-nitrosopiperidin-3-yl)carbamate

Ligliptin Nitroso Dimer Impurity 3

CAT No: CL-LGPT-165 CAS No: NA Mol Wt: 986.1 Mol F: C51H55N17O5 Inv Status: Custom Synthesis

Chemical Name: N-((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)-N-((((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)amino)methyl)nitrous amide

Ligliptin Nitroso Dimer Impurity 4

CAT No: CL-LGPT-166 CAS No: NA Mol Wt: 1015.1 Mol F: C51H54N18O6 Inv Status: Custom Synthesis

Chemical Name: N,N'-methylenebis(N-((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)nitrous amide)

Ligliptin Nitroso Impurity 6

CAT No: CL-LGPT-167 CAS No: NA Mol Wt: 229.3 Mol F: C10H19N3O3 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-nitroso(piperidin-3-yl)carbamate

Ligliptin Regio Isomer Dinitroso Impurity

CAT No: CL-LGPT-168 CAS No: NA Mol Wt: 530.5 Mol F: C25H26N10O4 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)-N-(1-nitrosopiperidin-3-yl)nitrous amide

Ligliptin Regio Isomer Nitroso Impurity 2

CAT No: CL-LGPT-169 CAS No: NA Mol Wt: 501.6 Mol F: C25H27N9O3 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)-N-(piperidin-3-yl)nitrous amide

Ligliptin Nitroso Dimer Impurity 1

CAT No: CL-LGPT-170 CAS No: NA Mol Wt: 986.1 Mol F: C51H55N17O5 Inv Status: Custom Synthesis

Chemical Name: N-(2-(2-((8-((R)-3-aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)methyl)quizolin-4-yl)ethyl)-N-((R)-1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)nitrous amide

Ligliptin Nitroso Dimer Impurity 2

CAT No: CL-LGPT-171 CAS No: NA Mol Wt: 873.9 Mol F: C45H43N15O5 Inv Status: Custom Synthesis

Chemical Name: (R)-N-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)nitrous amide

Ligliptin Nitroso Impurity 2

CAT No: CL-LGPT-172 CAS No: NA Mol Wt: 449.5 Mol F: C21H23N9O3 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-7-nitroso-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Nitroso Impurity 3

CAT No: CL-LGPT-173 CAS No: NA Mol Wt: 345.4 Mol F: C15H19N7O3 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-3-methyl-1-nitroso-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Nitroso Impurity 7

CAT No: CL-LGPT-174 CAS No: NA Mol Wt: 430.2 Mol F: C16H12BrN7O3 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-3-methyl-1-((4-methylquizolin-2-yl)methyl)-7-nitroso-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Nitroso Impurity 8

CAT No: CL-LGPT-175 CAS No: NA Mol Wt: 351.3 Mol F: C16H13N7O3 Inv Status: Custom Synthesis

Chemical Name: 3-Methyl-1-((4-methylquizolin-2-yl)methyl)-7-nitroso-3,7-dihydro-1H-purine-2,6-dione

Ligliptin Nitroso Impurity 9

CAT No: CL-LGPT-176 CAS No: NA Mol Wt: 274 Mol F: C6H4BrN5O3 Inv Status: Custom Synthesis

Chemical Name: 8-Bromo-3-methyl-7-nitroso-3,7-dihydro-1H-purine-2,6-dione

N-Nitroso Ligliptin Related Compound B

CAT No: CL-LGPT-177 CAS No: NA Mol Wt: 601.7 Mol F: C30H35N9O5 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (R)-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquizolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)(nitroso)carbamate

N-Nitroso N-Desmethyl Ligliptin

CAT No: CL-LGPT-178 CAS No: NA Mol Wt: 487.5 Mol F: C24H25N9O3 Inv Status: Custom Synthesis

Chemical Name: (R)-8-(3-Aminopiperidin-1-yl)-7-(but-2-yn-1-yl)-1-((4-methylquizolin-2-yl)methyl)-3-nitroso-3,7-dihydro-1H-purine-2,6-dione

Type:Impurity Reference Standard

API NAME:Ligliptin

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