Dabigatran Etexilate Impurity IV Catalogue D112457 CAS 2243727-83-3 M.W 779.95 M.F C38H49N7O5.CH4O3S Specifications FAQs hexyl 3-(2-(((4-(N-((hexyloxy)carbonyl)carbamimidoyl) phenyl)amino)methyl)-1-methyl-N-(pyridin-2-yl)-1H-benzo [d]imidazole-5-carboxamido)propanoate methanesulfonate