(3S,5S)-Atorvastatin tert-Butyl Ester

(3S,5S)-Atorvastatin tert-Butyl Ester has a CAS number 1428118-12-0, with the molecular formula C₃₇H₄₃FN₂O₅ and a molecular weight of 614.75 g/mol. It is a high-purity atorvastatin intermediate standard and analytical reference material, widely used in pharmaceutical impurity testing, metabolite analysis, and API quality control.

Manasa Life Sciences, headquartered in Hyderabad, India, is a trusted manufacturer and global supplier of atorvastatin intermediates. Their (3S,5S)-Atorvastatin tert-Butyl Ester standard supports impurity profiling, analytical method development, and regulatory compliance with USP, EP, ICH, and FDA guidelines, suitable for HPLC, LC-MS/MS, and NMR analysis.

Our distribution network spans Asia, Europe, Africa, the GCC, and the UAE, ensuring reliable access to high-quality atorvastatin impurity reference standards worldwide. We provide full traceability, certified reference materials, and adhere to strict Good Documentation Practices (GDP) and Safety Data Sheet protocolsto meet international regulatory requirements. Our expert scientific team offers impurity identification, analytical method validation, and risk assessment using advanced techniques such as HPLC, LC-MS/MS, and GC-MS, helping pharmaceutical companiesaccurately detect atorvastatin-related impurities, comply with regulations, and uphold global pharmacopeial quality standards.