Category
Atorvastatin
CAS Number
887324-52-9
Alternate CAS Number
887196-25-0(ca salt); NA(Sodium salt)
Molecular Formula
C₃₃H₃₅FN₂O₅
Molecular Weight
558.7 g/mol
Catelogue Number
MLS-ATR-RC-B
Synonym

(3S,5R)-Atorvastatin Calcium Salt; Atorvastatin Related compound-B ; Calcium,(3S,5R)-7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoate; (3S,5R)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid, calcium salt

Keywords
Intermediates
Impurities
Metabolites.
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Atorvastatin Related Compound-B is a European Pharmacopoeia recognized impurity of Atorvastatin, which can arise during synthesis or degradation. It is controlled to maintain quality, purity, and regulatory compliance. The compound is widely analyzed in impurity profiling using techniques such as HPLC. CAS No: 887324-52-9; Molecular Formula: C₃₃H₃₅FN₂O₅; Molecular Weight: 558.7 g/mol. Atorvastatin Related Compound-B is compatible with advanced analytical techniques including HPLC, LC-MS/MS, and NMR, allowing precise detection and quantification of related intermediates and degradation products. Routine monitoring of this impurity ensures the stability, quality, and safety of atorvastatin drug substances and formulations, supporting compliance with USP, EP, ICH, and FDA regulatory guidelines.

Manasa Life Sciences manufactures and supplies high-purity Atorvastatin Related Compound-B to pharmaceutical markets across Asia, Europe, Africa, the GCC, and the UAE. Each batch is provided as a fully certified reference standard with complete traceability and produced under stringent Good Documentation Practices (GDP). Their experienced scientific team offers expertise in impurity profiling, analytical method development, and regulatory risk assessment, helping pharmaceutical companies monitor impurities, meet compliance requirements, and ensure the safety and efficacy of atorvastatin-based products.