1.0 2020-04-02 17:50:41 UTC 2025-11-19 03:07:53 UTC FDB097343 Procyanidin dimer B7 C20H22O8 390.388 390.131467668 (2R,3R,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-6-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol (2R,3R,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-6-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol OC[C@H]1O[C@@H](OC2=CC(\C=C/C3=CC=C(O)C=C3)=CC(O)=C2)[C@@H](O)[C@@H](O)[C@@H]1O InChI=1S/C20H22O8/c21-10-16-17(24)18(25)19(26)20(28-16)27-15-8-12(7-14(23)9-15)2-1-11-3-5-13(22)6-4-11/h1-9,16-26H,10H2/b2-1-/t16-,17-,18+,19+,20-/m1/s1 HSTZMXCBWJGKHG-QQZCGJIKSA-N belongs to the class of organic compounds known as biflavonoids and polyflavonoids. These are organic compounds containing at least two flavan/flavone units. These units are usually linked through CC or C-O-C bonds. Some examples include C2-O-C3, C2-O-C4, C3'-C3''', and C6-C8''. Biflavonoids and polyflavonoids Organic compounds Phenylpropanoids and polyketides Flavonoids Biflavonoids and polyflavonoids Aromatic heteropolycyclic compounds 1-benzopyrans 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids 3'-hydroxyflavonoids 3-hydroxyflavonoids 4'-hydroxyflavonoids 5-hydroxyflavonoids 7-hydroxyflavonoids Alkyl aryl ethers B-type proanthocyanidins Benzene and substituted derivatives Catechins Catechols Hydrocarbon derivatives Oxacyclic compounds Polyols Secondary alcohols 1-benzopyran 1-hydroxy-2-unsubstituted benzenoid 1-hydroxy-4-unsubstituted benzenoid 3'-hydroxyflavonoid 3-hydroxyflavonoid 4'-hydroxyflavonoid 5-hydroxyflavonoid 7-hydroxyflavonoid Alcohol Alkyl aryl ether Aromatic heteropolycyclic compound B-type proanthocyanidin Benzenoid Benzopyran Bi- and polyflavonoid skeleton Catechin Catechol Chromane Ether Flavan Flavan-3-ol Hydrocarbon derivative Hydroxyflavonoid Monocyclic benzene moiety Organic oxygen compound Organoheterocyclic compound Organooxygen compound Oxacycle Phenol Polyol Proanthocyanidin Secondary alcohol logp 2.31 ALOGPS logs -3.65 ALOGPS solubility 1.31e-01 g/l ALOGPS logp 3.12 ChemAxon pka_strongest_acidic 8.7 ChemAxon pka_strongest_basic -5.2 ChemAxon iupac (2R,3R,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-6-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol ChemAxon average_mass 390.388 ChemAxon mono_mass 390.131467668 ChemAxon smiles OC[C@H]1O[C@@H](OC2=CC(\C=C/C3=CC=C(O)C=C3)=CC(O)=C2)[C@@H](O)[C@@H](O)[C@@H]1O ChemAxon formula C20H22O8 ChemAxon inchi InChI=1S/C20H22O8/c21-10-16-17(24)18(25)19(26)20(28-16)27-15-8-12(7-14(23)9-15)2-1-11-3-5-13(22)6-4-11/h1-9,16-26H,10H2/b2-1-/t16-,17-,18+,19+,20-/m1/s1 ChemAxon inchikey HSTZMXCBWJGKHG-QQZCGJIKSA-N ChemAxon polar_surface_area 220.76 ChemAxon refractivity 146.51 ChemAxon polarizability 58.32 ChemAxon rotatable_bond_count 3 ChemAxon acceptor_count 12 ChemAxon donor_count 10 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 239611 Specdb::MsMs 239612 Specdb::MsMs 239613 Specdb::MsMs 241666 Specdb::MsMs 241667 Specdb::MsMs 241668 Specdb::MsMs 3610207 Specdb::MsMs 3610208 Specdb::MsMs 3610209 Specdb::MsMs 3610210 Specdb::MsMs 3610211 Specdb::MsMs 3610212 Apple Type 1 specific Malus pumila 283210 Green tea Type 1 Milk (Cow) Type 2 specific 2.1675 4.1 0.92 uM