Sub Group: Atorvastatins Catalog Number: 18417 Formula: C34H37FN2O50.5Ca CAS Number: 887196-29-4 Molecular Weight: 591.70 Synonyms:(βR,δR)-2-(4-Fluorophenyl)-δ-hydroxy-β-methoxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic