CAS: 83-33-0 Molecular Formula: C9 H8 O Molecular Weight (g/mol): 132.16 Synonym: 1H-Inden-1-one, 2,3-dihydro-,1-Indanone (8CI),Indanone (7CI),2,3-Dihydro-1H-inden-1-one,1-Indone,1-Oxobenzocyclopentane,1H-Indan-1-one,2,3-Dihydro-1-indenone,NSC 2581,α-Hydrindone,α-Indanone IUPAC Name: 2,3-dihydroinden-1-one SMILES: O=C1CCc2ccccc12