OlMesartan DiMer Ester IMpurity Catalogue O264651 CAS 1040250-19-8 M.W 875.01 M.F C48H50N12O5 Specifications FAQs 1-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-4-(2-((1-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-4-(2-hydroxypropan-2-yl)-2-propyl-1H-imidazole-5-carbonyl)oxy)propan-2-yl)-2-propyl-1H-imidazole-5-carboxylic acid