Benzonitrile, 4-[(1,3-dihydro-1,3-dioxo-5-isobenzofuranyl)ethynyl]- is a chemical compound registered under CAS number 159471-32-6, with the molecular formula C17H7NO3 and a molecular weight of about 273.25 g/mol. FireTardant supplies Benzonitrile, 4-[(1,3-dihydro-1,3-dioxo-5-isobenzofuranyl)ethynyl]- for laboratory research and bulk production; product code 2342850. Send an inquiry for purity, packaging, price and lead time.