Atorvastatin intermediates M-2

Atorvastatin intermediate M-2, chemically 4-methyl-3-oxo-N-phenyl pentanamide (CAS 54016-70-5), is a pharmaceutical-grade off-white to white crystalline powder supplied by Jiangxi Aifeimu Technology Co., Ltd. It meets tight impurity limits (des-fluoro impurity under 0.2%, total impurity under 1.0%) with assay above 99% and loss on drying under 0.5%, and is sold into Central/South America, Asia, the Middle East, and Africa.