Methyl 4-(4-Fluorophenyl)-6-isopropyl-2-[N-methyl-N-(methyl-d3-sulfonyl)amino]pyrimidine-5-carboxylate is an intermediate in the synthesis of Rosuvastatin-d3 Sodium Salt, a labeled analogue of Rosuvastatin (R700500), a selective, competitive HMG-CoA reductase inhibitor. Antilipemic.