4-[2-(5-oxo-5H-benzotriazol-4-yl)hydrazino]benzenesulfonic acid is a chemical compound registered under CAS number 7467-27-8, with the molecular formula C12H9N5O4S and a molecular weight of about 319.3 g/mol. It is also known as Benzenesulfonicacid, p-[(5-hydroxy-1H-benzotriazol-4-yl)azo]- (8CI); NSC 400937. KingChemi supplies 4-[2-(5-oxo-5H-benzotriazol-4-yl)hydrazino]benzenesulfonic acid for laboratory research and bulk production; product code 503658. Send an inquiry for purity, packaging, price and lead time.