Product name: 3-isochromanone Alias: 1,4-Dihydro-3H-isochromen-3-on; 1,4-Dihydro-3H-isochromen-3-one; 3H-2-Benzopyran-3-one,1,4-dihydro- CAS No.: 4385-35-7 EINECS No.: 224-493-9 Molecular formula: C9H8O2 Molecular weight: 148.1586