Rosuvastatin EP Impurity B (Calcium Salt) ;
(3RS,5RS,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl (methyl sulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy- 6-heptenoic acid calcium salt ;
CAS # 1007912-86-8 (Acid) ; 1007871-86-4 (Sodium Salt) ;
C22H27FN3O6S . 1/2 Ca ;
Mol. Wt.: 500.57 ;