Identification Common Name Procyanidin C2 Class Small Molecule Description A proanthocyanidin consisting of three (+)-catechin trimer joined by two successive (4alpha->8)-linkages. Contaminant Sources Contaminant Type Not Available Chemical Structure Synonyms Value Source C-(4,8)-C-(4,8)-C ChEBI Catechin-(4alpha->8)-catechin-(4alpha->8)-catechin ChEBI Procyanidin trimer C2 ChEBI Catechin-(4a->8)-catechin-(4a->8)-catechin Generator Catechin-(4α->8)-catechin-(4α->8)-catechin Generator
Chemical Formula C45 H38 O18 Average Molecular Mass 866.781 g/mol Monoisotopic Mass 866.206 g/mol CAS Registry Number 37064-31-6 IUPAC Name (2R,3S,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol Traditional Name (2R,3S,4R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-4-yl]-4-[(2R,3S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-8-yl]-3,4-dihydro-2H-1-benzopyran-3,5,7-triol 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=CC(O)=CC(O)=C56)C5=CC(O)=C(O)C=C5)C(O)=CC(O)=C34)C3=CC(O)=C(O)C=C3)=C2O[C@@H]1C1=CC(O)=C(O)C=C1 InChI Identifier InChI=1S/C45H38O18/c46-18-10-27(54)33-32(11-18)61-42(16-2-5-21(48)25(52)8-16)39(59)37(33)35-29(56)14-30(57)36-38(40(60)43(63-45(35)36)17-3-6-22(49)26(53)9-17)34-28(55)13-23(50)19-12-31(58)41(62-44(19)34)15-1-4-20(47)24(51)7-15/h1-11,13-14,31,37-43,46-60H,12H2/t31-,37-,38+,39-,40-,41+,42+,43+/m0/s1 InChI Key MOJZMWJRUKIQGL-WNCKYJNFSA-N Chemical Taxonomy Description 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''. Kingdom Organic compounds Super Class Phenylpropanoids and polyketides Class Flavonoids Sub Class Biflavonoids and polyflavonoids Direct Parent Biflavonoids and polyflavonoids Alternative Parents Substituents C-type proanthocyanidin
B-type proanthocyanidin
Bi- and polyflavonoid skeleton
Proanthocyanidin
Catechin
Flavan-3-ol
Hydroxyflavonoid
3'-hydroxyflavonoid
7-hydroxyflavonoid
5-hydroxyflavonoid
4'-hydroxyflavonoid
3-hydroxyflavonoid
Flavan
Chromane
1-benzopyran
Benzopyran
Catechol
Phenol
1-hydroxy-2-unsubstituted benzenoid
Alkyl aryl ether
1-hydroxy-4-unsubstituted benzenoid
Benzenoid
Monocyclic benzene moiety
Secondary alcohol
Polyol
Organoheterocyclic compound
Oxacycle
Ether
Hydrocarbon derivative
Alcohol
Organic oxygen compound
Organooxygen compound
Aromatic heteropolycyclic compound Molecular Framework Aromatic heteropolycyclic compounds External Descriptors 
