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Atorvastatin FXA Impurity (CAS No.: 1316291-19-6) Molecular Formula - C₃₃H₃₄FN₂NaO₇ Molecular Weight - 612.62 Status - In-stock IUPAC Name - 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H-pyrr Synonyms - Atorvastatin 6-Hydroxy analog / Atorvastatin Cyclo IP Impurity