1-(3-Bromopropyl)-4-(4-chlorophenyl)piperazine is an intermediate in the synthesis of 2-​[3-​[4-​(4-​Chlorophenyl)​-​1-​piperazinyl]​propyl]​-1,​2,​4-triazolo[4,​3-​a]​pyridin-​3(2H)​-​one Hydrochloride (C433100), which is a related compound of Trazodone (T718500), which is an antidepressant.