Bendamustine USP Related Compound H Catalogue B442638 CAS 1228551-91-4 M.W 680.07 M.F C32H41Cl3N6O4 Specifications FAQs Synonyms:4-(5-((2-((4-(5-(Bis(2-chloroethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoyl)oxy)ethyl)(2-chloroethyl)amino)-1-methyl-1H-benzo[d]imidazol-2-yl)butanoic acid