7-Chloro-4-piperazinoquinoline , its cas register number is 837-52-5. It also can be called Quinoline, 7-Chloro- ; 7-Chloro-4-Piperazin-1-Yl-Quinoline ; 7-Chloro-4-(1-Piperazinyl)Quinoline ; 7-Chloro-4-Piperazinyl Quinoline .