Bendamustine-d7 hydrochloride (SDX-105-d7) is the deuterium labeled Bendamustine hydrochloride (HY-B0077). Bendamustine hydrochloride (SDX-105), a purine analogue, is a DNA cross-linking agent. Bendamustine hydrochloride activats DNA-damage stress response and apoptosis. Bendamustine hydrochloride has potent alkylating, anticancer and antimetabolite properties[1].