CAS: 610-93-5 Molecular Formula: C8H5NO4 Molecular Weight (g/mol): 179.13 MDL Number: MFCD00033529 InChI Key: RNWGZXAHUPFXLL-UHFFFAOYSA-N Synonym: 6-nitrophthalide,6-nitroisobenzofuran-1 3h-one,6-nitro-3h-isobenzofuran-1-one,6-nitro-1,3-dihydroisobenzofuran-1-one,6-nitro-1 3h-isobenzofuranone,6-nitro-2-benzofuran-1 3h-one,1 3h-isobenzofuranone, 6-nitro,6-nitro-3-hydroisobenzofuran-1-one,6-nitro-1,3-dihydro-2-benzofuran-1-one,6-nitrophtalide PubChem CID: 223584 IUPAC Name: 6-nitro-1,3-dihydro-2-benzofuran-1-one SMILES: [O-][N+](=O)C1=CC=C2COC(=O)C2=C1