Category
Atorvastatin
CAS Number
887196-30-7
Molecular Formula
C33H33FN2O5
Molecular Weight
556.63 g/mol
Synonym

(5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-5-hydroxy-3-oxoheptanoic acid ; Atorvastatin 3-Oxo Acid ;Atorvastatin Calcium Impurity O; 

Keywords
Fine Chemicals
Intermediates
Impurities
Metabolites.
Pharmaceutical Standards
Impurities manufacturer and Suppliers in Hyderabad india
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Atorvastatin EP Impurity O is a pharmacopoeial impurity specified in the European Pharmacopoeia that may arise during the synthesis or degradation of Atorvastatin. Its detection and strict control are essential to ensure the drug substance meets established quality, purity, and regulatory standards.