Impurity Reference Standard - Products

Lamivudine

CAT No: CL-LVDN-01 CAS No: 134678-17-4 Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

Lamivudine EP Impurity A

CAT No: CL-LVDN-02 CAS No: 1822826-02-7 Mol Wt: 243.2 Mol F: C8H9N3O4S Inv Status: Custom Synthesis

Chemical Name: (2RS,5SR)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid

Lamivudine EP Impurity B

CAT No: CL-LVDN-03 CAS No: 141434-39-1 Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-[(2RS,5RS)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one

Lamivudine EP Impurity C

CAT No: CL-LVDN-04 CAS No: 69-72-7 Mol Wt: 138.1 Mol F: C7H6O3 Inv Status: Custom Synthesis

Chemical Name: 2-Hydroxybenzoic acid

Lamivudine EP Impurity D

CAT No: CL-LVDN-05 CAS No: 134680-32-3 Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

Lamivudine EP Impurity E

CAT No: CL-LVDN-06 CAS No: 71-30-7 Mol Wt: 111.1 Mol F: C4H5N3O Inv Status: In Stock

Chemical Name: 4-Aminopyrimidin-2(1H)-one

Lamivudine EP Impurity F

CAT No: CL-LVDN-07 CAS No: 66-22-8 Mol Wt: 112.1 Mol F: C4H4N2O2 Inv Status: Custom Synthesis

Chemical Name: Pyrimidine-2,4(1H,3H)-dione

Lamivudine EP Impurity G

CAT No: CL-LVDN-08 CAS No: 160552-55-6 Mol Wt: 245.3 Mol F: C8H11N3O4S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,3S,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

Lamivudine EP Impurity H

CAT No: CL-LVDN-09 CAS No: 160552-54-5 Mol Wt: 245.3 Mol F: C8H11N3O4S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,3R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one 2,2,2-trifluoroacetate

Lamivudine EP Impurity I

CAT No: CL-LVDN-10 CAS No: 145918-75-8 Mol Wt: 213.2 Mol F: C8H11N3O4 Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-[(2S,4S)-2-(hydroxymethyl)-1,3-dioxolan-4-yl]pyrimidin-2(1H)-one

Lamivudine EP Impurity J

CAT No: CL-LVDN-11 CAS No: 145986-07-8 Mol Wt: 230.2 Mol F: C8H10N2O4S Inv Status: Custom Synthesis

Chemical Name: 1-((2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione

Lamivudine S-oxide

CAT No: CL-LVDN-12 CAS No: 160552-55-6 Mol Wt: 245.3 Mol F: C8H11N3O4S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

Lamivudine 5-Epimer

CAT No: CL-LVDN-13 CAS No: 139757-68-9 Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-amino-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

Lamivudine Related Compound (Alpha-Troxacitabine)

CAT No: CL-LVDN-14 CAS No: 145416-37-1 Mol Wt: 213.2 Mol F: C8H11N3O4 Inv Status: Custom Synthesis

Chemical Name: 4-amino-1-((2S,4R)-2-(hydroxymethyl)-1,3-dioxolan-4-yl)pyrimidin-2(1H)-one

Lamivudine Acid (Mixture Of Diastereomers)

CAT No: CL-LVDN-15 CAS No: 2382818-80-4 Mol Wt: 243.2 Mol F: C8H9N3O4S Inv Status: Custom Synthesis

Chemical Name: (5S)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid

Lamivudine Impurity 1

CAT No: CL-LVDN-16 CAS No: 147126-80-5 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity J

CAT No: CL-LVDN-17 CAS No: 145986-07-8 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 3

CAT No: CL-LVDN-18 CAS No: 134680-32-3 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1S,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 5

CAT No: CL-LVDN-19 CAS No: 147027-08-5 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 6

CAT No: CL-LVDN-20 CAS No: 147126-64-5 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2S,5R)-5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 7

CAT No: CL-LVDN-21 CAS No: 147126-63-4 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2S,5S)-5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 8

CAT No: CL-LVDN-22 CAS No: 147126-62-3 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5R)-5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 9

CAT No: CL-LVDN-23 CAS No: 130949-32-2 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-[(2R,3S,5S)-2-(hydroxymethyl)-3-oxo-1,3?4 -oxathiolan-5-yl]pyrimidin-2(1H)-one

Lamivudine Impurity 10

CAT No: CL-LVDN-24 CAS No: 1904611-13-7 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-isopropyl-5-methylcyclohexyl (2S)-5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 11

CAT No: CL-LVDN-25 CAS No: 200396-19-6 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: [(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl] 5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 12

CAT No: CL-LVDN-26 CAS No: 1638744-50-9 Mol Wt: 288.4 Mol F: C14H24O4S Inv Status: Custom Synthesis

Chemical Name: (1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl (2S,5S)-5-hydroxy-1,3-oxathiolane-2-carboxylate

Lamivudine Formaldehyde Adduct Impurity

CAT No: CL-LVDN-27 CAS No: 1904611-13-7 Mol Wt: 259.3 Mol F: C9H13N3O4S Inv Status: Custom Synthesis

Chemical Name: 1-((2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl)-4-((hydroxymethyl)amino)pyrimidin-2(1H)-one

Lamivudine Dimer Impurity

CAT No: CL-LVDN-28 CAS No: 1904611-15-9 Mol Wt: 470.5 Mol F: C17H22N6O6S2 Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-((((1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methoxy)methyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

Lamivudine Impurity 14

CAT No: CL-LVDN-29 CAS No: 147027-10-9 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 15

CAT No: CL-LVDN-30 CAS No: 1904611-18-2 Mol Wt: 470.5 Mol F: C17H22N6O6S2 Inv Status: Custom Synthesis

Chemical Name: 4,4'-(Methylenebis(azanediyl))bis(1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one)

Lamivudine Impurity 16

CAT No: CL-LVDN-31 CAS No: 131086-26-5 Mol Wt: 230.2 Mol F: C8H10N2O4S Inv Status: Custom Synthesis

Chemical Name: 1-[(2R,5S)-2-(Hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidine-2,4(1H,3H-dione)

Lamivudine Impurity 17

CAT No: CL-LVDN-32 CAS No: 147126-74-7 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine 13C,15N2

CAT No: CL-LVDN-33 CAS No: 1217746-03-6 Mol Wt: 232.2 Mol F: C713CH11N15N2O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one-2-13C-1,3-15N2

Lamivudine Diastereomer

CAT No: CL-LVDN-34 CAS No: 136846-20-3 Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one compound with 4-amino-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one and 4-amino-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one and 4-amino-1-((2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (1:1:1:1)

Lamivudine Isomer 2

CAT No: CL-LVDN-36 CAS No: 134678-17-4 Mol Wt: 470.5 Mol F: C17H22N6O6S2 Inv Status: Custom Synthesis

Chemical Name: ((-)-BCH 189, 3TC, 2',3'-dideoxy-3'-Thiacytidine

Lamivudine Impurity 20

CAT No: CL-LVDN-38 CAS No: 111969-64-3 Mol Wt: 230.3 Mol F: C12H22O4 Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 2,2-dihydroxyacetate

Lamivudine Resolution Mixture B

CAT No: CL-LVDN-39 CAS No: NA Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one compound with 4-amino-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one and 4-amino-1-((2S,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (1:1:1)

Lamivudine EP Impurity H (TFA salt)

CAT No: CL-LVDN-40 CAS No: NA Mol Wt: 245.3 : 114.0 Mol F: C8H11N3O4S : C2HF3O2 Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,3R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one 2,2,2-trifluoroacetate

Lamivudine Impurity 19

CAT No: CL-LVDN-41 CAS No: 953806-67-2 Mol Wt: 230.3 Mol F: C12H22O4 Inv Status: Custom Synthesis

Chemical Name: (1S,2R,5S)-2-isopropyl-5-methylcyclohexyl 2,2-dihydroxyacetate

Lamivudine Impurity 2

CAT No: CL-LVDN-42 CAS No: 200396-21-0 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2S,5R)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine Impurity 22

CAT No: CL-LVDN-43 CAS No: 147126-72-5 Mol Wt: 381.5 Mol F: C18H27N3O4S Inv Status: Custom Synthesis

Chemical Name: (1S,2R,5S)-2-isopropyl-5-methylcyclohexyl (2R,5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate

Lamivudine Resolution Mixture A

CAT No: CL-LVDN-44 CAS No: NA Mol Wt: 229.3 Mol F: C8H11N3O3S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one compound with 4-amino-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one (1:1)

Lamivudine Salicylate

CAT No: CL-LVDN-45 CAS No: 173522-96-8 Mol Wt: 229.3 : 138.1 Mol F: C8H11N3O3S : C7H6O3 Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one 2-hydroxybenzoate

Lamivudine Sulfone

CAT No: CL-LVDN-46 CAS No: 2250242-24-9 Mol Wt: 261.3 Mol F: C8H11N3O5S Inv Status: Custom Synthesis

Chemical Name: 4-Amino-1-((2R,5S)-2-(hydroxymethyl)-3,3-dioxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one

N,N,Lami Teno Monoetser Impurity

CAT No: CL-LVDN-47 CAS No: NA Mol Wt: 644.6 Mol F: C23H33N8O10PS Inv Status: Custom Synthesis

Chemical Name: ((Hydroxy(((1-(6-((((1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphoryl)oxy)methyl isopropyl carbonate

Lamivudine Impurity 21

CAT No: CL-LVDN-48 CAS No: 288325-76-8 Mol Wt: 306.8 Mol F: C14H23ClO3S Inv Status: Custom Synthesis

Chemical Name: (1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl (2R,5S)-5-chloro-1,3-oxathiolane-2-carboxylate

Type:Impurity Reference Standard

API NAME:Lamivudine

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