1.0 2010-04-08 22:05:31 UTC 2020-02-24 19:10:37 UTC FDB002779 Afzelechin Afzelechin is a flavan-3ol, a type of flavonoids. It can be found in Bergenia ligulata (aka Paashaanbhed in Ayurveda traditional Indian medicine).; Afzelechin-(4alpha?8)-afzelechin (molecular formula : C30H26O10, molar mass : 546.52 g/mol, exact mass : 546.152597, CAS number : 101339-37-1, Pubchem CID : 12395) is a B type proanthocyanidin. Ent-epiafzelechin-3-O-p-hydroxybenzoate-(4??8,2??O?7)-epiafzelechin) is an A-type proanthocyanidin found in apricots (Prunus armeniaca). (+)-3,4',5,7-Flaventetrol (+)-Afzelechin 3,4',5, 7-Flaventetrol, (+)- 3,4',5,7-Flavantetrol (+)- 3,5,7,4'-Tetrahydroxyflavan Afzelechin Afzelechin, (+)- C15H14O5 274.2687 274.084123558 (2R,3S)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol afzelechin 2545-00-8 OC1CC2=C(O)C=C(O)C=C2OC1C1=CC=C(O)C=C1 InChI=1S/C15H14O5/c16-9-3-1-8(2-4-9)15-13(19)7-11-12(18)5-10(17)6-14(11)20-15/h1-6,13,15-19H,7H2 RSYUFYQTACJFML-UHFFFAOYSA-N belongs to the class of organic compounds known as flavan-3-ols. These are flavans that bear and hydroxyl group at position 3 (B ring), but not at position 4. Flavan-3-ols Organic compounds Phenylpropanoids and polyketides Flavonoids Flavans Aromatic heteropolycyclic compounds 1-benzopyrans 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids 3-hydroxyflavonoids 4'-hydroxyflavonoids 5-hydroxyflavonoids 7-hydroxyflavonoids Alkyl aryl ethers Benzene and substituted derivatives Hydrocarbon derivatives Oxacyclic compounds Polyols Secondary alcohols 1-benzopyran 1-hydroxy-2-unsubstituted benzenoid 1-hydroxy-4-unsubstituted benzenoid 3-hydroxyflavonoid 4'-hydroxyflavonoid 5-hydroxyflavonoid 7-hydroxyflavonoid Alcohol Alkyl aryl ether Aromatic heteropolycyclic compound Benzenoid Benzopyran Chromane Ether Flavan-3-ol Hydrocarbon derivative Hydroxyflavonoid Monocyclic benzene moiety Organic oxygen compound Organoheterocyclic compound Organooxygen compound Oxacycle Phenol Polyol Secondary alcohol Flavan 3-ols Flavans, Flavanols and Leucoanthocyanidins Flavans, Flavanols and Leucoanthocyanidins catechin tetrahydroxyflavan melting_point Mp 221-222° dec. logp 2.1 ChemAxon pka_strongest_acidic 9.15 ChemAxon pka_strongest_basic -3.3 ChemAxon iupac (2R,3S)-2-(4-hydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol ChemAxon average_mass 274.2687 ChemAxon mono_mass 274.084123558 ChemAxon smiles OC1CC2=C(O)C=C(O)C=C2OC1C1=CC=C(O)C=C1 ChemAxon formula C15H14O5 ChemAxon inchi InChI=1S/C15H14O5/c16-9-3-1-8(2-4-9)15-13(19)7-11-12(18)5-10(17)6-14(11)20-15/h1-6,13,15-19H,7H2 ChemAxon inchikey RSYUFYQTACJFML-UHFFFAOYSA-N ChemAxon polar_surface_area 90.15 ChemAxon refractivity 72.02 ChemAxon polarizability 27.69 ChemAxon rotatable_bond_count 1 ChemAxon acceptor_count 5 ChemAxon donor_count 4 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon HMDB30823 562086 #<Reference:0x000055ce33326c50> Kiwi Type 1 specific Actinidia chinensis 3625 Peach Type 1 specific Prunus persica 3760