Rosuvastatin EP Impurity F Z-isomer

Rosuvastatin EP Impurity F Z-isomer product with CAS: 1821422-50-7 is also known as 1,1-Dimethylethyl4R ,6S-6-1Z-2-[4-(4-fluoro phenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate; . This product can be used as a working standard or secondary reference standard (additional internal validation as per respective FDA regulations/guidelines may require). Rosuvastatin EP Impurity F Z-isomer is used in Rosuvastatin impurity profiling as per limits and threshold values specified by respective drug legislation, FDA, and pharmacopoeial guidelines during commercial production of Rosuvastatin and its related formulations. Moreover, 1,1-Dimethylethyl4R ,6S-6-1Z-2-[4-(4-fluoro phenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-dioxane-4-acetate is also used in the process of Abbreviated New Drug Application (ANDA) filing to FDA and toxicity study of respective drug formulation. Please also find out other impurities of Rosuvastatin developed in our R&D.