2-Naphthalenesulfonic acid, 4-hydroxy-7-[(4-nitro-2-sulfophenyl)amino]- is a chemical compound registered under CAS number 89023-41-6, with the molecular formula C16H12N2O9S2 and a molecular weight of about 440.4 g/mol. ProvideChemicals supplies 2-Naphthalenesulfonic acid, 4-hydroxy-7-[(4-nitro-2-sulfophenyl)amino]- for laboratory research and bulk production; product code 596522. Send an inquiry for purity, packaging, price and lead time.