1.0 2026-09-21 23:20:51 UTC 2026-09-21 23:20:51 UTC FDB117272 2-Hydroxyquinoline 1H-quinolin-2-one C9H7NO 145.158 145.052763851 1,2-dihydroquinolin-2-one 2-oxoquinoline O=C1NC2=CC=CC=C2C=C1 InChI=1S/C9H7NO/c11-9-6-5-7-3-1-2-4-8(7)10-9/h1-6H,(H,10,11) LISFMEBWQUVKPJ-UHFFFAOYSA-N belongs to the class of organic compounds known as hydroquinolones. Hydroquinolones are compounds containing a hydrogenated quinoline bearing a ketone group. Hydroquinolones Organic compounds Organoheterocyclic compounds Quinolines and derivatives Quinolones and derivatives Aromatic heteropolycyclic compounds Azacyclic compounds Benzenoids Heteroaromatic compounds Hydrocarbon derivatives Hydroquinolines Lactams Organic oxides Organonitrogen compounds Organooxygen compounds Organopnictogen compounds Pyridinones Aromatic heteropolycyclic compound Azacycle Benzenoid Dihydroquinoline Dihydroquinolone Heteroaromatic compound Hydrocarbon derivative Lactam Organic nitrogen compound Organic oxide Organic oxygen compound Organonitrogen compound Organooxygen compound Organopnictogen compound Pyridine Pyridinone a small molecule quinolone logp 1.51 ALOGPS logs -1.77 ALOGPS solubility 2.45e+00 g/l ALOGPS logp 1.6 ChemAxon pka_strongest_acidic 13.95 ChemAxon pka_strongest_basic -2.2 ChemAxon iupac 1,2-dihydroquinolin-2-one ChemAxon average_mass 145.158 ChemAxon mono_mass 145.052763851 ChemAxon smiles O=C1NC2=CC=CC=C2C=C1 ChemAxon formula C9H7NO ChemAxon inchi InChI=1S/C9H7NO/c11-9-6-5-7-3-1-2-4-8(7)10-9/h1-6H,(H,10,11) ChemAxon inchikey LISFMEBWQUVKPJ-UHFFFAOYSA-N ChemAxon polar_surface_area 29.1 ChemAxon refractivity 45.28 ChemAxon polarizability 14.82 ChemAxon rotatable_bond_count 0 ChemAxon acceptor_count 1 ChemAxon donor_count 1 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 8278 Specdb::CMs 31847 Specdb::MsMs 258822 Specdb::MsMs 258823 Specdb::MsMs 258824 Specdb::MsMs 278760 Specdb::MsMs 278761 Specdb::MsMs 278762 Specdb::MsMs 439697 Specdb::MsMs 439698 Specdb::MsMs 446901 Specdb::MsMs 446902 Specdb::MsMs 446903 Specdb::MsMs 446904 Specdb::MsMs 446905 Specdb::MsMs 449790 Specdb::MsMs 449791