Rosuvastatin EP Impurity A (Calcium Salt); Rosuvastatin USP RC A

Rosuvastatin EP Impurity A (Calcium Salt); Rosuvastatin USP RC A

(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (2-hydroxy-2-methylpropylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt

Impurity reference standard used for related substances testing of Rosuvastatin drug substance and drug product per pharmacopoeial limits.