2-Naphthalenesulfonicacid, 7-hydroxy-8-[2-(2-pyridinyl)diazenyl]- is a chemical compound registered under CAS number 83688-75-9, with the molecular formula C15H11N3O4S and a molecular weight of about 329.33 g/mol. It is also known as 2-Naphthalenesulfonicacid, 7-hydroxy-8-(2-pyridinylazo)- (9CI); 1-(2-Pyridylazo)-2-naphthol-7-sulfonicacid; PAN 7S. NewsChem supplies 2-Naphthalenesulfonicacid, 7-hydroxy-8-[2-(2-pyridinyl)diazenyl]- for laboratory research and bulk production; product code 403680. Send an inquiry for purity, packaging, price and lead time.