Impurity Standards

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Atorvastatin Impurity H

Product Code:
DH /ATV/1001
Molecular Formula:
C33H33FN2O4
CAS Number:
125995-03-1
Molecular Weight:
540.62
Synonyms: 2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-1-[2-(tetrahydro-4-hydroxy-2- oxo-2H-pyran-6-yl)ethyl]-4-phenylcarbamoyl-1 H-pyrrole


Atorvastatin Impurity 3-Oxo

Product Code:
DH /ATV/1008
Molecular Formula:
C33H33FN2O5
CAS Number:
1391052-00-8
Molecular Weight:
556.62
Synonyms: (5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-5-hydroxy-3-oxo-heptanoic acid


Atorvastatin Impurity 5-Oxo

Product Code:
DH /ATV/1023
Molecular Formula:
C33H33FN2O5
CAS Number:
1391052-82-6
Molecular Weight:
556.62
Synonyms: (3R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3-hydroxy-5-oxo-heptanoic acid


Atorvastatin Impurity (3R,5S)-isomer

Product Code:
DH /ATV/1015
Molecular Formula:
C66H68F2N4O10Ca
CAS Number:
131275-93-9
Molecular Weight:
1155.34
Synonyms: (3R,5S)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calcium salt


Atorvastatin Impurity Olefin

Product Code:
DH /ATV/1024
Molecular Formula:
C66H64F2N4O8Ca
CAS Number:
N/A
Molecular Weight:
1119.34
Synonyms: ( 5R)-7 -[2-( 4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-phenylcarbamoyl- 1H-pyrrol-1-yl]-5-hydroxy-hept-2-enoic acid calcium salt


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