Atorvastatin Ethyl Ester Impurity - Powder Form, >98% Purity | Reference Standard, Pharmaceutical Impurity, Quality Control

We are engaged in offering excellent quality Atorvastatin Ethyl Ester Impurity to our valuable clients.
1] NAME OF IMPURITY:- Atorvastatin methyl ester
IUPAC NAME:- (3R,5R)-7-[3-(Phenylcarba-moyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol -1-yl]-3,5-dihydroxy- heptanoic acid methyl ester

PURITY:- >98%

2] NAME OF IMPURITY :- Atorvastatin WS
IUPAC NAME :- (3R,5R)-7-(3-(phenylcarbamoyl)-5-(4-(3R,5R)-7-(3-(phenylcarbamoyl)-5-(4-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid

3] NAME OF IMPURITY :- Atorvastatin Lactone
IUPAC NAME :- 5-(4-fluorophenyl)-1-(2-((2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl)-2-isopropyl-N,4-diphenyl-1H-pyrrole-3-carboxamide

4] NAME OF IMPURITY :- Atorvastatin isomer (3S, 5S)
IUPAC NAME :- (3S,5S)-7-(3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid

5] NAME OF IMPURITY:- Atorvastatin Diastereomer (3S, 5R)
IUPAC NAME :- (3S,5S)-7-(3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid

6] NAME OF IMPURITY :- Desfluoro Atorvastatin
IUPAC NAME :- (3R,5R)-7-(3-(phenylcarbamoyl)-2-isopropyl-4,5-diphenyl-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoic acid

7] NAME OF IMPURITY :- 3-O-methyl Atorvastatin
IUPAC NAME :- (3R,5R)-7-(3-(phenylcarbamoyl)-2-isopropyl-4,5-diphenyl-1H-pyrrol-1-yl)-5-hydroxy-3-methoxyheptanoic acid