Benzenesulfonic acid, pentamethyl-, 4-formylphenyl ester (9CI) is a chemical compound registered under CAS number 647824-27-9, with the molecular formula C18H20O4S and a molecular weight of about 332.41 g/mol. KingChemi supplies Benzenesulfonic acid, pentamethyl-, 4-formylphenyl ester (9CI) for laboratory research and bulk production; product code 1414270. Send an inquiry for purity, packaging, price and lead time.