73745-50-3

ChEBI: Promethazine is a tertiary amine that is a substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropan-2-amine moiety. It has a role as a H1-receptor antagonist, a sedative, an antiemetic, a local anaesthetic, an antipruritic drug, an anti-allergic agent and an anticoronaviral agent. It is a member of phenothiazines and a tertiary amine. It is a conjugate base of a promethazine(1+).