trisodium 5-oxo-1-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)diazenyl-4H-pyrazole-3-carboxylate is a chemical compound registered under CAS number 1342-47-8, with the molecular formula C16H9N4Na3O9S2 and a molecular weight of about 534.36 g/mol. It is also known as Yellow 5; trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-4,5-dihydro-1H-pyrazole-3-carboxylate. ChemIBD supplies trisodium 5-oxo-1-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)diazenyl-4H-pyrazole-3-carboxylate for laboratory research and bulk production; product code 1162924. Send an inquiry for purity, packaging, price and lead time.