Sub Group: Atorvastatins Catalog Number: 18397 Formula: C33H34FN2NaO5 Molecular Weight: 580.62 Synonyms: Atorvastatin Impurity AT10(3S,5R)-Atorvastatin Sodium Salt(βS,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbony