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· · COA & SDS available for every product · Same-day shipping on in-stock items Procyanidin B2 3,3′-di-O-gallate - ≥97% , CAS No.79907-44-1
Synonyms
CHEBI:172846 | Procyanidin B2 3,3'-di-O-gallate | 3,3'-Digalloylprocyanidin B2 | Proanthocyanidin B2 3,3'-O-gallate | DTXSID101000836 | (2R,3R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(3,4,5-trihydroxyphenyl)carbonyl
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
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Why this grade ≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
CHEBI:172846 | Procyanidin B2 3, 3'-di-O-gallate | 3, 3'-Digalloylprocyanidin B2 | Proanthocyanidin B2 3, 3'-O-gallate | DTXSID101000836 | (2R, 3R)-2-(3, 4-dihydroxyphenyl)-8-[(2R, 3R, 4R)-2-(3, 4-dihydroxyphenyl)-5, 7-dihydroxy-3-[(3, 4, 5-trihydroxyphenyl)carbonyl
Specifications & Purity
≥97%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers Pubchem Sid 504756958 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/504756958 Canonical Smiles C1C(C(OC2=C1C(=CC(=C2C3C(C(OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)OC(=O)C6=CC(=C(C(=C6)O)O)O)O)O)C7=CC(=C(C=C7)O)O)OC(=O)C8=CC(=C(C(=C8)O)O)O IUPAC Name [(2R,3R)-2-(3,4-dihydroxyphenyl)-8-[(2R,3R,4R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-(3,4,5-trihydroxybenzoyl)oxy-3,4-dihydro-2H-chromen-4-yl]-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate InChIKey KTLUHRSHFRODPS-RIQPQZJCSA-N INCHI 1S/C44H34O20/c45-19-11-26(51)34-32(12-19)61-40(16-2-4-22(47)25(50)6-16)42(64-44(60)18-9-30(55)38(58)31(56)10-18)36(34)35-27(52)14-23(48)20-13-33(62-43(59)17-7-28(53)37(57)29(54)8-17)39(63-41(20)35)15-1-3-21(46)24(49)5-15/h1-12,14,33,36,39-40,42,45-58H,13H2/t33-,36-,39-,40-,42-/m1/s1 Isomeric SMILES C1[C@H]([C@H](OC2=C1C(=CC(=C2[C@@H]3[C@H]([C@H](OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)OC(=O)C6=CC(=C(C(=C6)O)O)O)O)O)C7=CC(=C(C=C7)O)O)OC(=O)C8=CC(=C(C(=C8)O)O)O PubChem CID 124016 Molecular Weight 882.73
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Phenylpropanoids and polyketides Class Flavonoids Subclass Biflavonoids and polyflavonoids Intermediate Tree Nodes Not available Direct Parent Biflavonoids and polyflavonoids Alternative Parents B-type proanthocyanidins Catechin gallates 3'-hydroxyflavonoids 4'-hydroxyflavonoids 5-hydroxyflavonoids 7-hydroxyflavonoids Galloyl esters m-Hydroxybenzoic acid esters p-Hydroxybenzoic acid alkyl esters 1-benzopyrans Pyrogallols and derivatives Catechols Benzoyl derivatives Alkyl aryl ethers 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Dicarboxylic acids and derivatives Carboxylic acid esters Oxacyclic compounds Polyols Hydrocarbon derivatives Organic oxides Molecular Framework Aromatic heteropolycyclic compounds Substituents B-type proanthocyanidin - Proanthocyanidin - Bi- and polyflavonoid skeleton - Catechin gallate - Catechin - Hydroxyflavonoid - Flavan-3-ol - 3'-hydroxyflavonoid - 7-hydroxyflavonoid - 5-hydroxyflavonoid - 4'-hydroxyflavonoid - Flavan - Galloyl ester - Gallic acid or derivatives - M-hydroxybenzoic acid ester - P-hydroxybenzoic acid ester - P-hydroxybenzoic acid alkyl ester - Benzoate ester - Chromane - Benzopyran - 1-benzopyran - Benzenetriol - Benzoic acid or derivatives - Pyrogallol derivative - Benzoyl - Catechol - Alkyl aryl ether - Phenol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Dicarboxylic acid or derivatives - Benzenoid - Monocyclic benzene moiety - Carboxylic acid ester - Polyol - Ether - Carboxylic acid derivative - Oxacycle - Organoheterocyclic compound - Organic oxide - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aromatic heteropolycyclic compound Description This compound 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''. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Associated Targets(Human) Associated Targets(non-human) Mechanisms of Action Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Melt Point(°C) >160° C (dec.) Molecular Weight 882.700 g/mol XLogP3 4.700 Hydrogen Bond Donor Count 14 Hydrogen Bond Acceptor Count 20 Rotatable Bond Count 9 Exact Mass 882.164 Da Monoisotopic Mass 882.164 Da Topological Polar Surface Area 354.000 Ų Heavy Atom Count 64 Formal Charge 0 Complexity 1580.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 5 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
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