Description

Order Atorvastatin tert-Butyl Ester impurity standard with CAS: 134395-00-9 and speed up your Atorvastatin project. This product is also known as (βR,δR)-Atorvastatin tert-Butyl Ester; (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid 1,1-Dimethylethyl Ester and can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. This compound is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Atorvastatin and its related formulations. Moreover, (βR,δR)-Atorvastatin tert-Butyl Ester is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.

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