4H-1-Benzopyran-3-acetonitrile, a-(methylsulfonyl)-4-oxo- is a chemical compound registered under CAS number 140483-32-5, with the molecular formula C12H9NO4S and a molecular weight of about 263.27 g/mol. FireTardant supplies 4H-1-Benzopyran-3-acetonitrile, a-(methylsulfonyl)-4-oxo- for laboratory research and bulk production; product code 1699184. Send an inquiry for purity, packaging, price and lead time.