Methyl (3R)-3-(tert-Butyldimethylsilanyloxy)-5-oxo-6-(triphenylphosphanylidene)hexanoate

Methyl (3R)-3-(tert-Butyldimethylsilanyloxy)-5-oxo-6-(triphenylphosphanylidene)hexanoate product with CAS: 147118-35-2 is also known as (3R)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-oxo-6-(triphenylphosphoranylidene)-hexanoic Acid Methyl 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. Methyl (3R)-3-(tert-Butyldimethylsilanyloxy)-5-oxo-6-(triphenylphosphanylidene)hexanoate is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Rosuvastatin and its related formulations. Moreover, (3R)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-oxo-6-(triphenylphosphoranylidene)-hexanoic Acid Methyl Ester is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.