Impurities

Simvastatin Impurity B

Product Code:Ax-IMP1239
CAS Number:145576-25-6
Synonyms:Acetyl simvastatin;
Molecular Formula:C27H40O6
Molecular Weight:460.61

Simvastatin Impurity A

Product Code:Ax-IMP1238
CAS Number:101314-97-0
Synonyms:Tenivastatin Sodium Salt; Simvastatin Hydroxy Acid Sodium Salt; sodium (3R,5R)-7-((1R,2R,6S,8R)-8-((2,2-dimethylbutanoyl)oxy)-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)-3,5-dihydroxyheptanoate
Molecular Formula:C25H39NaO6
Molecular Weight:458.56

Simvastatin Process Impurity 2

Product Code:Ax-IMP1254
CAS Number:132748-10-8
Synonyms:(3R,5R)-3,5-dihydroxy-7-((1S,2S,6R,8S,8aR)-8-hydroxy-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)heptanoic acid
Molecular Formula:C19H30O5
Molecular Weight:338.44

Simvastatin Process Impurity 1

Product Code:Ax-IMP1253
CAS Number:145576-24-5
Synonyms:(2R,4R)-2-(2-((1S,2S,8S,8aR)-8-hydroxy-2,6-dimethyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl)ethyl)-6-oxotetrahydro-2H-pyran-4-yl acetate
Molecular Formula:C21H30O5
Molecular Weight:362.47

Pregablin impurity A

Product Code:Ax-IMP1176
CAS Number:181289-23-6
Synonyms:(S)-4-(2-Methylpropyl)-2-pyrrolidinone; (S)-4-Isobutyl-2-pyrrolidinone
Molecular Formula:C8H15NO
Molecular Weight:141.21

Pregablin Process impurity 2

Product Code:Ax-IMP1178
CAS Number:100401-40-9
Synonyms:dimethyl 2-(4-methyl-1-nitropentan-2-yl)malonate
Molecular Formula:C11H19NO6
Molecular Weight:261.27

Pregablin Process impurity 1

Product Code:Ax-IMP1177
CAS Number:53618-21-6
Synonyms:dimethyl 2-(3-methylbutylidene)malonate
Molecular Formula:C10H16O4
Molecular Weight:200.23

Pregablin Impurity C

Product Code:Ax-IMP1179
CAS Number:90-64-2
Synonyms:2-hydroxy-2-phenylacetic acid; (2RS)-2-HYDROXY-2-PHENYLACETIC ACID; MANDELIC ACID
Molecular Formula:C8H8O3
Molecular Weight:152.15

Ranitidine Dimer

Product Code:Ax-IMP1182
CAS Number:72126-78-4
Synonyms:N,N'-bis(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)thio)ethyl)-2-nitroethene-1,1-diamine
Molecular Formula:C22H35N5O4S2
Molecular Weight:497.67

Ranitidine EP Impurity G

Product Code:Ax-IMP1185
CAS Number:112233-23-5
Synonyms:(E)-3-(methylamino)-5,6-dihydro-2H-1,4-thiazin-2-one oxime hydrochloride
Molecular Formula:C5H10ClN3OS 195.66
Molecular Weight:195.66