Chlorpromazine EP impurity B

2-Chloro-10-[3-[[3-(dimethyl-d6-amino)propyl]methylamino]propyl]phenothiazine is the labeled analogue of 2-Chloro-10-[3-[[3-(dimethylamino)propyl]methylamino]propyl]phenothiazine (C367110), an impurity of Chlorpromazine (C424750), which is used as an antiemetic; antipsychotic. 2-Chloro-10-[3-[[3-(dimethylamino)propyl]methylamino]propyl]phenothiazine is also used in the synthesis of novel phenothiazine compounds with antimalarial activity.