1.0 2026-09-22 09:02:09 UTC 2026-09-22 09:02:09 UTC FDB118007 Pinoquercetin 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methyl-chromen-4-one 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methylchromen-4-one C16H12O7 316.265 316.058302726 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methyl-4H-chromen-4-one pinoquercetin CC1=C(O)C=C2OC(=C(O)C(=O)C2=C1O)C1=CC=C(O)C(O)=C1 InChI=1S/C16H12O7/c1-6-9(18)5-11-12(13(6)20)14(21)15(22)16(23-11)7-2-3-8(17)10(19)4-7/h2-5,17-20,22H,1H3 DTFXGVGIKNSCQQ-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 5-hydroxyflavonoids 7-hydroxyflavonoids Benzene and substituted derivatives Catechols Chromones Heteroaromatic compounds Hydrocarbon derivatives Organic oxides Oxacyclic compounds Polyols Pyranones and derivatives Vinylogous acids 1-benzopyran 1-hydroxy-2-unsubstituted benzenoid 1-hydroxy-4-unsubstituted benzenoid 3'-hydroxyflavonoid 3-hydroxyflavone 3-hydroxyflavonoid 4'-hydroxyflavonoid 5-hydroxyflavonoid 7-hydroxyflavonoid Aromatic heteropolycyclic compound Benzenoid Benzopyran Catechol Chromone Heteroaromatic compound Hydrocarbon derivative Hydroxyflavonoid Monocyclic benzene moiety Organic oxide Organic oxygen compound Organoheterocyclic compound Organooxygen compound Oxacycle Phenol Polyol Pyran Pyranone Vinylogous acid 7-hydroxyflavonol Flavones and Flavonols Flavones and Flavonols flavonols pentahydroxyflavone logp 1.91 ALOGPS logs -3.17 ALOGPS solubility 2.12e-01 g/l ALOGPS logp 2.67 ChemAxon pka_strongest_acidic 6.75 ChemAxon pka_strongest_basic -3.9 ChemAxon iupac 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methyl-4H-chromen-4-one ChemAxon average_mass 316.265 ChemAxon mono_mass 316.058302726 ChemAxon smiles CC1=C(O)C=C2OC(=C(O)C(=O)C2=C1O)C1=CC=C(O)C(O)=C1 ChemAxon formula C16H12O7 ChemAxon inchi InChI=1S/C16H12O7/c1-6-9(18)5-11-12(13(6)20)14(21)15(22)16(23-11)7-2-3-8(17)10(19)4-7/h2-5,17-20,22H,1H3 ChemAxon inchikey DTFXGVGIKNSCQQ-UHFFFAOYSA-N ChemAxon polar_surface_area 127.45 ChemAxon refractivity 81.9 ChemAxon polarizability 30.71 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 7 ChemAxon donor_count 5 ChemAxon physiological_charge -1 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 2238391 Specdb::MsMs 2239170 Specdb::MsMs 2240408 Specdb::MsMs 2241316 Specdb::MsMs 2242426 Specdb::MsMs 2243410 Specdb::CMs 114105 Specdb::CMs 128080 Specdb::CMs 956983 Specdb::CMs 956984 Specdb::CMs 956985 Specdb::CMs 956986 Specdb::CMs 956987 Specdb::CMs 956988 Specdb::CMs 956989 Specdb::CMs 956990 Specdb::CMs 956991 Specdb::CMs 956992 Specdb::CMs 956993 Specdb::CMs 956994 Specdb::CMs 956995 Specdb::CMs 956996 Specdb::CMs 956997 Specdb::CMs 956998 Specdb::CMs 956999 Specdb::CMs 957000 Specdb::CMs 957001 Specdb::CMs 957002 Specdb::CMs 957003 Specdb::CMs 957004 Specdb::CMs 957005