Rosuvastatin EP Impurity C (Calcium Salt)

Chemical Name: (3R,6E)-7-[4-(4-fluorophenyl)-2-(N-methylmethanesulfonamido)-6-(propan-2-yl)pyrimidin-5-yl]-3-hydroxy-5-oxohept-6-enoic acid Calcium salt (as per EP); (R,E)-7-(4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl)-3-hydroxy-5-oxohept-6-enoic acid Calcium salt (as per USP)

Smile: O=C(C[C@@H](O)CC(O)=O)/C=C/C(C(C1=CC=C(F)C=C1)=NC(N(C)[S](C)(=O)=O)=N2)=C2C(C)C.[1/2Ca]