1.0 2010-04-08 22:15:05 UTC 2019-11-26 03:19:04 UTC FDB020532 4'-Hydroxy-5,6,7,8-tetramethoxyflavone Constituent of mandarin orange (Citrus reticulata). 4'-Hydroxy-5,6,7,8-tetramethoxyflavone is found in citrus. 2-(4-Hydroxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one 4'-Hydroxy-5,6,7,8-tetramethoxyflavone C19H18O7 358.342 358.10525293 2-(4-hydroxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one 2-(4-hydroxyphenyl)-5,6,7,8-tetramethoxychromen-4-one 36950-98-8 COC1=C(OC)C(OC)=C2C(=O)C=C(OC2=C1OC)C1=CC=C(O)C=C1 InChI=1S/C19H18O7/c1-22-15-14-12(21)9-13(10-5-7-11(20)8-6-10)26-16(14)18(24-3)19(25-4)17(15)23-2/h5-9,20H,1-4H3 IECRXMSGDFIOEY-UHFFFAOYSA-N belongs to the class of organic compounds known as 8-o-methylated flavonoids. These are flavonoids with methoxy groups attached to the C8 atom of the flavonoid backbone. 8-O-methylated flavonoids Organic compounds Phenylpropanoids and polyketides Flavonoids O-methylated flavonoids Aromatic heteropolycyclic compounds 1-hydroxy-2-unsubstituted benzenoids 4'-hydroxyflavonoids 5-O-methylated flavonoids 6-O-methylated flavonoids 7-O-methylated flavonoids Alkyl aryl ethers Anisoles Benzene and substituted derivatives Chromones Flavones Heteroaromatic compounds Hydrocarbon derivatives Monohydroxyflavonoids Organic oxides Oxacyclic compounds Pyranones and derivatives Vinylogous esters 1-benzopyran 1-hydroxy-2-unsubstituted benzenoid 4'-hydroxyflavonoid 5-methoxyflavonoid-skeleton 6-methoxyflavonoid-skeleton 7-methoxyflavonoid-skeleton 8-methoxyflavonoid-skeleton Alkyl aryl ether Anisole Aromatic heteropolycyclic compound Benzenoid Benzopyran Chromone Ether Flavone Heteroaromatic compound Hydrocarbon derivative Hydroxyflavonoid Monocyclic benzene moiety Monohydroxyflavonoid Organic oxide Organic oxygen compound Organoheterocyclic compound Organooxygen compound Oxacycle Phenol Pyran Pyranone Vinylogous ester Flavones and Flavonols logp 2.96 ALOGPS logs -4.10 ALOGPS solubility 2.83e-02 g/l ALOGPS melting_point Mp 196-198° logp 2.03 ChemAxon pka_strongest_acidic 8.72 ChemAxon pka_strongest_basic -4.3 ChemAxon iupac 2-(4-hydroxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one ChemAxon average_mass 358.342 ChemAxon mono_mass 358.10525293 ChemAxon smiles COC1=C(OC)C(OC)=C2C(=O)C=C(OC2=C1OC)C1=CC=C(O)C=C1 ChemAxon formula C19H18O7 ChemAxon inchi InChI=1S/C19H18O7/c1-22-15-14-12(21)9-13(10-5-7-11(20)8-6-10)26-16(14)18(24-3)19(25-4)17(15)23-2/h5-9,20H,1-4H3 ChemAxon inchikey IECRXMSGDFIOEY-UHFFFAOYSA-N ChemAxon polar_surface_area 83.45 ChemAxon refractivity 94.8 ChemAxon polarizability 36.65 ChemAxon rotatable_bond_count 5 ChemAxon acceptor_count 7 ChemAxon donor_count 1 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::CMs 21658 Specdb::CMs 46930 Specdb::CMs 158671 Specdb::MsMs 314179 Specdb::MsMs 314180 Specdb::MsMs 314181 Specdb::MsMs 359875 Specdb::MsMs 359876 Specdb::MsMs 359877 Specdb::MsMs 2818134 Specdb::MsMs 2818135 Specdb::MsMs 2818136 Specdb::MsMs 2887682 Specdb::MsMs 2887683 HMDB40724 #<Reference:0x000055ce31cb41c0> Citrus Unknown generic Mandarin orange (Clementine, Tangerine) Type 1 specific Citrus reticulata 85571