4-chloro-5-[4-(methylsulfonyl)-1-piperazinyl]-2-phenyl-3(2h)-pyri Dazinone is a chemical compound registered under CAS number 708238-08-8. NewsChem supplies 4-chloro-5-[4-(methylsulfonyl)-1-piperazinyl]-2-phenyl-3(2h)-pyri Dazinone for laboratory research and bulk production; product code 2474844. Send an inquiry for purity, packaging, price and lead time.