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COA COO

Lamivudine Impurity 20

Impurity

CAS Number

147126-72-5

Molecular Formula

C18H27N3O4S

Product format

Neat

Molecular Weight

381.49

API Family

Lamivudine

Synonyms

147126-72-5; (1S, 2R, 5S)-2-Isopropyl-5-methylcyclohexyl (2R, 5S)-5-(4-amino-2-oxopyrimidin-1(2H)-yl)-1, 3-oxathiolane-2-carboxylate; (1S, 2R, 5S)-5-Methyl-2-(1-methylethyl)cyclohexyl (2R, 5S)-5-(4-amino-2-oxo-1(2H)-pyrimidinyl)-1, 3-oxathiolane-2-carboxylate; Lamivudine Impurity 45; (1S, 2R and 5S)-Lamivudine Impurity 36

Iupac Name

[(1S, 2R, 5S)-5-methyl-2-propan-2-ylcyclohexyl] (2R, 5S)-5-(4-amino-2-oxopyrimidin-1-yl)-1 and 3-oxathiolane-2-carboxylate

InChI

InChI=1S/C18H27N3O4S/c1-10(2)12-5-4-11(3)8-13(12)24-16(22)17-25-15(9-26-17)21-7-6-14(19)20-18(21)23/h6-7,10-13,15,17H,4-5,8-9H2,1-3H3,(H2,19,20,23)/t11-,12+,13-,15-,17+/m0/s1

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COA COO

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Synthesis

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