1.0 2010-04-08 22:12:39 UTC 2025-11-19 01:49:45 UTC FDB016782 Cinnamtannin II Isolated from Cinnamomum cassia (Chinese cinnamon). Cinnamtannin II is found in chinese cinnamon and herbs and spices. [Epicatechin-(4beta->8)]4-epicatechin [Epicatechin(4b->8)]4-epicatechin [Epicatechin(4b->8)]4epicatechin Cinnamtannin A3 Cinnamtannin II C75H62O30 1443.2768 1442.332590644 (2R,3R,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol (2R,3R,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol 86631-39-2 O[C@@H]1CC2=C(O)C=C(O)C([C@@H]3[C@@H](O)[C@H](OC4=C([C@@H]5[C@@H](O)[C@H](OC6=C([C@@H]7[C@@H](O)[C@H](OC8=C([C@@H]9[C@@H](O)[C@H](OC%10=CC(O)=CC(O)=C9%10)C9=CC=C(O)C(O)=C9)C(O)=CC(O)=C78)C7=CC=C(O)C(O)=C7)C(O)=CC(O)=C56)C5=CC=C(O)C(O)=C5)C(O)=CC(O)=C34)C3=CC=C(O)C(O)=C3)=C2O[C@@H]1C1=CC=C(O)C(O)=C1 InChI=1S/C75H62O30/c76-28-16-41(88)51-50(17-28)101-68(24-2-7-31(78)37(84)12-24)63(97)59(51)53-43(90)20-45(92)55-61(65(99)70(103-73(53)55)26-4-9-33(80)39(86)14-26)57-47(94)22-48(95)58-62(66(100)71(105-75(57)58)27-5-10-34(81)40(87)15-27)56-46(93)21-44(91)54-60(64(98)69(104-74(54)56)25-3-8-32(79)38(85)13-25)52-42(89)19-35(82)29-18-49(96)67(102-72(29)52)23-1-6-30(77)36(83)11-23/h1-17,19-22,49,59-71,76-100H,18H2/t49-,59-,60+,61-,62+,63-,64-,65-,66-,67-,68-,69-,70-,71-/m1/s1 QRFZGLTZLZZHCM-NWYMYRDLSA-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 C-type proanthocyanidins 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 C-type proanthocyanidin 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 proanthocyanidin logp 4.40 ALOGPS logs -3.27 ALOGPS solubility 7.74e-01 g/l ALOGPS logp 7.08 ChemAxon pka_strongest_acidic 8.6 ChemAxon pka_strongest_basic -5.2 ChemAxon iupac (2R,3R,4S)-2-(3,4-dihydroxyphenyl)-4-[(2R,3R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol ChemAxon average_mass 1443.2768 ChemAxon mono_mass 1442.332590644 ChemAxon smiles O[C@@H]1CC2=C(O)C=C(O)C([C@@H]3[C@@H](O)[C@H](OC4=C([C@@H]5[C@@H](O)[C@H](OC6=C([C@@H]7[C@@H](O)[C@H](OC8=C([C@@H]9[C@@H](O)[C@H](OC%10=CC(O)=CC(O)=C9%10)C9=CC=C(O)C(O)=C9)C(O)=CC(O)=C78)C7=CC=C(O)C(O)=C7)C(O)=CC(O)=C56)C5=CC=C(O)C(O)=C5)C(O)=CC(O)=C34)C3=CC=C(O)C(O)=C3)=C2O[C@@H]1C1=CC=C(O)C(O)=C1 ChemAxon formula C75H62O30 ChemAxon inchi InChI=1S/C75H62O30/c76-28-16-41(88)51-50(17-28)101-68(24-2-7-31(78)37(84)12-24)63(97)59(51)53-43(90)20-45(92)55-61(65(99)70(103-73(53)55)26-4-9-33(80)39(86)14-26)57-47(94)22-48(95)58-62(66(100)71(105-75(57)58)27-5-10-34(81)40(87)15-27)56-46(93)21-44(91)54-60(64(98)69(104-74(54)56)25-3-8-32(79)38(85)13-25)52-42(89)19-35(82)29-18-49(96)67(102-72(29)52)23-1-6-30(77)36(83)11-23/h1-17,19-22,49,59-71,76-100H,18H2/t49-,59-,60+,61-,62+,63-,64-,65-,66-,67-,68-,69-,70-,71-/m1/s1 ChemAxon inchikey QRFZGLTZLZZHCM-NWYMYRDLSA-N ChemAxon polar_surface_area 551.9 ChemAxon refractivity 364.03 ChemAxon polarizability 144.88 ChemAxon rotatable_bond_count 9 ChemAxon acceptor_count 30 ChemAxon donor_count 25 ChemAxon physiological_charge 0 ChemAxon formal_charge 0 ChemAxon Specdb::MsMs 307168 Specdb::MsMs 307169 Specdb::MsMs 307170 Specdb::MsMs 351043 Specdb::MsMs 351044 Specdb::MsMs 351045 Specdb::MsMs 447570 Specdb::MsMs 2238609 Specdb::MsMs 2238979 Specdb::MsMs 2407337 Specdb::MsMs 2407338 Specdb::MsMs 2407339 Specdb::MsMs 2531019 Specdb::MsMs 2531020 Specdb::MsMs 2531021 HMDB37659 #<Reference:0x000055ce326f42c0> Chinese cinnamon Type 1 specific Cinnamomum aromaticum 119260 Herbs and Spices Unknown generic