Candesartan Cilexetil EP Impurity D Catalogue No. - VL290018 CAS No. - 1185256-03-4 Molecular Formula - C33H34N6O6 Molecular Weight - 610.66 IUPAC Name - (1RS)-1-[[(Cyclohexyloxy)carbonyl]oxy]ethyl 3-[[2′-(2-ethyl-2H-tetrazol-5-yl)biphenyl-4-yl]methyl]-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate ;