tert-Butyl [(4S,6R)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate

tert-Butyl [(4S,6R)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate product with CAS: NA is also known as tert-Butyl (3R,5S)-6-hydroxy-3,5-O-isopropylidene-3,5-dihydroxyhexanoate. This product can be used as a working standard or secondary reference standard. Additional internal validation as per respective FDA regulations/guidelines may require. tert-Butyl [(4S,6R)-6-(hydroxymethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate is generally used for Quality Control (QC), Quality Assurance (QA) during commercial production of Rosuvastatin and its related formulations. Moreover, tert-Butyl (3R,5S)-6-hydroxy-3,5-O-isopropylidene-3,5-dihydroxyhexanoate is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation.