Category
Atorvastatin
CAS Number
1105067-88-6(ca salt)
Alternate CAS Number
1428118-38-0(Na Salt); 501121-34-2(Freebase)
Molecular Formula
C₆₆H₆₈CaF₂N₄O₁₀
Molecular Weight
1155.34 g/mol
Catalogue Number
MLS-ATR-RC-E
Synonym

Atorvastatin Enantiomer Calcium Salt; Atorvastatin Calcium Impurity E; (3S,5S)-Atorvastatin Calcium Salt; Atorvastatin Acid - Impurity E (Calcium Salt); (3S,5S)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-(propan-2-yl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic Acid Sodium Salt; (βS,δS)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Calcium Salt;  (3S,5S)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, Calcium Salt ; Atorvastatin EP Impurity-E

Keywords
Impurities
Chiral standards
Intermediates
Metabolites.
Pharmaceutical Standards
Aromatics
Enzyme inhibitors
Fine Chemicals
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Atorvastatin Related Compound E (Atorvastatin EP Impurity E), CAS No. 1105067-88-6, is a high-quality impurity reference standard used to detect and measure impurities in atorvastatin medicines. With a molecular formula of C₆₆H₆₈CaF₂N₄O₁₀ and a molecular weight of 1155.34 g/mol, it helps laboratories develop accurate testing methods and maintain quality control while meeting guidelines from regulatory bodies like the FDA, EMA, USP, EP, and ICH. Manasa Life Sciences, Hyderabad, is a trusted manufacturer and supplier of these standards worldwide, providing full traceability, proper documentation, and advanced analytical support such as HPLC and LC-MS/MS to ensure reliable results and regulatory compliance.