Atorvastatin Acid - Impurity O (Freebase)

887196-30-7

Atorvastatin Calcium Impurity O (Freebase) (As per 35.1 EP Monograph); (5R)-7-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-5- hydroxy-3-oxoheptanoic Acid; (R)-7-(2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxy-3-oxoheptanoic acid; 1H-Pyrrole-1-heptanoic acid, 2-(4-fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino)carbonyl]-, (δR); (δR)-2-(4-Fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid; 3-Oxo Atorvastatin;