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Tannins

Naturally occurring organic compounds defined as water-soluble phenylpropanoid compounds often condensed to polymers of variable length; they can combine with proteins, cellulose, gelatin, and pectin to form an insoluble complex.
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1

Chebulinic Acid, TRC

CAS: 18942-26-2 Molecular Formula: C41 H32 O27 Molecular Weight (g/mol): 956.68 Synonym: β-D-Glucopyranose, 1,3,6-tris(3,4,5-trihydroxybenzoate), cyclic 2→2:4→1-ester with (2S)-[(3R,4S)-5-carboxy-3,4-dihydro-3,7,8-trihydroxy-2-oxo-2H-1-benzopyran-4-yl]butanedioic acid,7,11-Methanopyrano[4,3,2-kl][2,5,8]benzotrioxacyclotridecin, β-D-glucopyranose deriv.,Chebulinic acid,Eutannin,NSC 69862 IUPAC Name: 2-[(4R,5S,7R,8R,11S,12S,13S,21S)-13,17,18-trihydroxy-2,10,14-trioxo-5,21-bis[(3,4,5-trihydroxybenzoyl)oxy]-7-[(3,4,5-trihydroxybenzoyl)oxymethyl]-3,6,9,15-tetraoxatetracyclo[10.7.1.14,8.016,20]henicosa-1(19),16(20),17-trien-11-yl]acetic acid SMILES: O[C@@H]1[C@H]2[C@H](CC(=O)O)C(=O)O[C@@H]3[C@@H](COC(=O)c4cc(O)c(O)c(O)c4)O[C@@H](OC(=O)c5cc(O)c(O)c(O)c5)[C@H](OC(=O)c6cc(O)c(O)c(OC1=O)c26)[C@H]3OC(=O)c7cc(O)c(O)c(O)c7

CAS 18942-26-2
Molecular Weight (g/mol) 956.68
SMILES O[C@@H]1[C@H]2[C@H](CC(=O)O)C(=O)O[C@@H]3[C@@H](COC(=O)c4cc(O)c(O)c(O)c4)O[C@@H](OC(=O)c5cc(O)c(O)c(O)c5)[C@H](OC(=O)c6cc(O)c(O)c(OC1=O)c26)[C@H]3OC(=O)c7cc(O)c(O)c(O)c7
Synonym β-D-Glucopyranose, 1,3,6-tris(3,4,5-trihydroxybenzoate), cyclic 2→2:4→1-ester with (2S)-[(3R,4S)-5-carboxy-3,4-dihydro-3,7,8-trihydroxy-2-oxo-2H-1-benzopyran-4-yl]butanedioic acid,7,11-Methanopyrano[4,3,2-kl][2,5,8]benzotrioxacyclotridecin, β-D-glucopyranose deriv.,Chebulinic acid,Eutannin,NSC 69862
IUPAC Name 2-[(4R,5S,7R,8R,11S,12S,13S,21S)-13,17,18-trihydroxy-2,10,14-trioxo-5,21-bis[(3,4,5-trihydroxybenzoyl)oxy]-7-[(3,4,5-trihydroxybenzoyl)oxymethyl]-3,6,9,15-tetraoxatetracyclo[10.7.1.14,8.016,20]henicosa-1(19),16(20),17-trien-11-yl]acetic acid
Molecular Formula C41 H32 O27
2

Ellagic Acid, TRC

CAS: 476-66-4 Molecular Formula: C14 H6 O8 Molecular Weight (g/mol): 302.19 Synonym: 2,3,7,8-Tetrahydroxy[1]benzopyrano[5,4,3-cde][1]benzopyran-5,10-dione,2,3,7,8-Tetrahydroxy-chromeno[5,4,3-cde]chromene-5,10-dione,Alizarin yellow,Alizarine Yellow,Benzoaric acid,C.I. 55005,C.I. 75270,Elagostasine,Eleagic acid,Ellagic acid,Ellagic acid LT,G 91006,Gallogen,Gallogen (astringent),LDN 0097519,Lagistase,[1,1'-Biphenyl]-2,2'-dicarboxylic acid, 4,4',5,5',6,6'-hexahydroxy-, di-δ-lactone SMILES: Oc1cc2C(=O)Oc3c(O)c(O)cc4C(=O)Oc(c1O)c2c34

CAS 476-66-4
Molecular Weight (g/mol) 302.19
SMILES Oc1cc2C(=O)Oc3c(O)c(O)cc4C(=O)Oc(c1O)c2c34
Synonym 2,3,7,8-Tetrahydroxy[1]benzopyrano[5,4,3-cde][1]benzopyran-5,10-dione,2,3,7,8-Tetrahydroxy-chromeno[5,4,3-cde]chromene-5,10-dione,Alizarin yellow,Alizarine Yellow,Benzoaric acid,C.I. 55005,C.I. 75270,Elagostasine,Eleagic acid,Ellagic acid,Ellagic acid LT,G 91006,Gallogen,Gallogen (astringent),LDN 0097519,Lagistase,[1,1'-Biphenyl]-2,2'-dicarboxylic acid, 4,4',5,5',6,6'-hexahydroxy-, di-δ-lactone
Molecular Formula C14 H6 O8
3

3,4-Dihydroxybenzoic Acid 3-O-beta-D-Glucuronide, TRC

CAS: 953037-17-7 Molecular Formula: C13H14O10 Molecular Weight (g/mol): 330.24 Synonym: 5-Carboxy-2-hydroxyphenyl β-D-Glucopyranosiduronic Acid; SMILES: O[C@@H]1[C@@H](O)[C@H](Oc2cc(ccc2O)C(=O)O)O[C@@H]([C@H]1O)C(=O)O

CAS 953037-17-7
Molecular Weight (g/mol) 330.24
SMILES O[C@@H]1[C@@H](O)[C@H](Oc2cc(ccc2O)C(=O)O)O[C@@H]([C@H]1O)C(=O)O
Synonym 5-Carboxy-2-hydroxyphenyl β-D-Glucopyranosiduronic Acid;
Molecular Formula C13H14O10
4

1,2,3,4,6-Penta-O-galloyl-Beta-D-glucopyranose >90%, TRC

CAS: 14937-32-7 Molecular Formula: C41 H32 O26 Molecular Weight (g/mol): 940.68 Synonym: β-D-Glucopyranose, 1,2,3,4,6-pentakis(3,4,5-trihydroxybenzoate),Gallic acid, pentaester with β-D-glucopyranose (6CI),Glucopyranose, pentagallate, β-D- (8CI),β-D-Glucopyranose, pentakis(3,4,5-trihydroxybenzoate) (9CI),1,2,3,4,6-Penta-O-galloyl-β-D-glucopyranose,1,2,3,4,6-Penta-O-galloyl-β-D-glucopyranoside,1,2,3,4,6-Penta-O-galloyl-β-D-glucose,1,2,3,4,6-Penta-O-galloyl-β-glucopyranose,1,2,3,4,6-Penta-O-galloylglucose,1,2,3,4,6-Pentagalloyl-β-D-glucopyranose,1,2,3,4,6-Pentagalloyl-β-D-glucopyranoside,1,2,3,4,6-Pentagalloyl-β-D-glucose,Gallotannin 15,Penta-O-galloyl-β-D-glucopyranose,Penta-O-galloyl-β-D-glucose,Penta-O-galloylglucose,Pentagalloyl-D-glucose,β-1,2,3,4,6-Pentagalloylglucose IUPAC Name: [(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[(3,4,5-trihydroxybenzoyl)oxy]oxan-2-yl]methyl 3,4,5-trihydroxybenzoate SMILES: Oc1cc(cc(O)c1O)C(=O)OC[C@H]2O[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](OC(=O)c4cc(O)c(O)c(O)c4)[C@@H](OC(=O)c5cc(O)c(O)c(O)c5)[C@@H]2OC(=O)c6cc(O)c(O)c(O)c6

CAS 14937-32-7
Molecular Weight (g/mol) 940.68
SMILES Oc1cc(cc(O)c1O)C(=O)OC[C@H]2O[C@@H](OC(=O)c3cc(O)c(O)c(O)c3)[C@H](OC(=O)c4cc(O)c(O)c(O)c4)[C@@H](OC(=O)c5cc(O)c(O)c(O)c5)[C@@H]2OC(=O)c6cc(O)c(O)c(O)c6
Synonym β-D-Glucopyranose, 1,2,3,4,6-pentakis(3,4,5-trihydroxybenzoate),Gallic acid, pentaester with β-D-glucopyranose (6CI),Glucopyranose, pentagallate, β-D- (8CI),β-D-Glucopyranose, pentakis(3,4,5-trihydroxybenzoate) (9CI),1,2,3,4,6-Penta-O-galloyl-β-D-glucopyranose,1,2,3,4,6-Penta-O-galloyl-β-D-glucopyranoside,1,2,3,4,6-Penta-O-galloyl-β-D-glucose,1,2,3,4,6-Penta-O-galloyl-β-glucopyranose,1,2,3,4,6-Penta-O-galloylglucose,1,2,3,4,6-Pentagalloyl-β-D-glucopyranose,1,2,3,4,6-Pentagalloyl-β-D-glucopyranoside,1,2,3,4,6-Pentagalloyl-β-D-glucose,Gallotannin 15,Penta-O-galloyl-β-D-glucopyranose,Penta-O-galloyl-β-D-glucose,Penta-O-galloylglucose,Pentagalloyl-D-glucose,β-1,2,3,4,6-Pentagalloylglucose
IUPAC Name [(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[(3,4,5-trihydroxybenzoyl)oxy]oxan-2-yl]methyl 3,4,5-trihydroxybenzoate
Molecular Formula C41 H32 O26