1.0 2026-09-23 07:12:51 UTC 2026-09-23 07:12:51 UTC FDB119970 5-Hydroxyfisetin 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one C15H10O7 302.238 302.042652662 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one robinetin OC1=CC=C2C(OC(=C(O)C2=O)C2=CC(O)=C(O)C(O)=C2)=C1 InChI=1S/C15H10O7/c16-7-1-2-8-11(5-7)22-15(14(21)12(8)19)6-3-9(17)13(20)10(18)4-6/h1-5,16-18,20-21H SOEDEYVDCDYMMH-UHFFFAOYSA-N belongs to the class of organic compounds known as flavonols. Flavonols are compounds that contain a flavone (2-phenyl-1-benzopyran-4-one) backbone carrying a hydroxyl group at the 3-position. Flavonols Organic compounds Phenylpropanoids and polyketides Flavonoids Flavones Aromatic heteropolycyclic compounds 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids 3'-hydroxyflavonoids 3-hydroxyflavonoids 4'-hydroxyflavonoids 7-hydroxyflavonoids Benzene and substituted derivatives Chromones Heteroaromatic compounds Hydrocarbon derivatives Organic oxides Oxacyclic compounds Polyols Pyranones and derivatives Pyrogallols and derivatives 1-benzopyran 1-hydroxy-2-unsubstituted benzenoid 1-hydroxy-4-unsubstituted benzenoid 3'-hydroxyflavonoid 3-hydroxyflavone 3-hydroxyflavonoid 4'-hydroxyflavonoid 7-hydroxyflavonoid Aromatic heteropolycyclic compound Benzenetriol Benzenoid Benzopyran Chromone Heteroaromatic compound Hydrocarbon derivative Hydroxyflavonoid Monocyclic benzene moiety Organic oxide Organic oxygen compound Organoheterocyclic compound Organooxygen compound Oxacycle Phenol Polyol Pyran Pyranone Pyrogallol derivative 7-hydroxyflavonol Flavones and Flavonols flavonols pentahydroxyflavone logp 1.84 ALOGPS logs -3.11 ALOGPS solubility 2.37e-01 g/l ALOGPS logp 1.51 ChemAxon pka_strongest_acidic 6.31 ChemAxon pka_strongest_basic -3.9 ChemAxon iupac 3,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one ChemAxon average_mass 302.238 ChemAxon mono_mass 302.042652662 ChemAxon smiles OC1=CC=C2C(OC(=C(O)C2=O)C2=CC(O)=C(O)C(O)=C2)=C1 ChemAxon formula C15H10O7 ChemAxon inchi InChI=1S/C15H10O7/c16-7-1-2-8-11(5-7)22-15(14(21)12(8)19)6-3-9(17)13(20)10(18)4-6/h1-5,16-18,20-21H ChemAxon inchikey SOEDEYVDCDYMMH-UHFFFAOYSA-N ChemAxon polar_surface_area 127.45 ChemAxon refractivity 76.86 ChemAxon polarizability 28.55 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 7 ChemAxon donor_count 5 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 1479294 Specdb::MsMs 1479392