4-[(2,5-dichlorophenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one is a chemical compound registered under CAS number 6407-75-6, with the molecular formula C16H12 Cl2 N4 O and a molecular weight of about 347.19 g/mol. Its EINECS (EC) number is 229-040-9. NewsChem supplies 4-[(2,5-dichlorophenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one for laboratory research and bulk production; product code 237156. Send an inquiry for purity, packaging, price and lead time.