5-Chloropyridazin-3- (2H) -one

5-Chloropyridazin-3- (2H) -one, with CAS No. 660425-07-0, is a fragment molecule that serves as an important scaffold for molecular linking, expansion, and modification. 5-Chloropyridazin-3- (2H) -one provides a structural basis and research tool for the design and screening of novel drug candidates, and is commonly used in drug discovery, drug synthesis, and related research.