(5S)-6-Chloro-5-hydroxy-3-oxo-hexanoic Acid 1,1-Dimethylethyl Ester

,(5S)-6-Chloro-5-hydroxy-3-oxo-hexanoic Acid 1,1-Dimethylethyl Ester. product with CAS: 154026-92-3 is also known as (S)-6-Chloro-5-hydroxy-3-oxo-hexanoic Acid 1,1-Dimethylethyl Ester. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. ,(5S)-6-Chloro-5-hydroxy-3-oxo-hexanoic Acid 1,1-Dimethylethyl Ester. is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Rosuvastatin and its related formulations. Moreover, (S)-6-Chloro-5-hydroxy-3-oxo-hexanoic Acid 1,1-Dimethylethyl Ester is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.