Atorvastatin Cyclic (Fluorophenyl) Sodium Salt Impurity Catalogue A325435 CAS 1315629-79-8 M.W 589.65 M.F C33H34FN2O7. Na Specifications FAQs sodium 4-(1b-(4-fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a-(phenylcarbamoyl)hexahydro-1aH-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoate。CAS :1315629-79-8;873950-18-6(free base)