Naphthol AS-KN is a chemical compound registered under CAS number 4444-48-8, with the molecular formula C23H15 N O3 and a molecular weight of about 353.37 g/mol. Its EINECS (EC) number is 224-681-0. It is also known as Azoic Coupling Component 37. GoooChem supplies Naphthol AS-KN for laboratory research and bulk production; product code 283038. Send an inquiry for purity, packaging, price and lead time.