10mM in DMSO for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -80°C Ships Dry ice packs + Cold packs Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Product Application:
Grape seed extract is a natural product, with anti-inflammatory and anti-proliferative effects. Grape seed extract shows inhibitory activity on the fat-metabolizing enzymes pancreatic lipase and lipoprotein lipase. Grape seed extract induces apoptotic in human colorectal cancer cells
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| 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 Catechins 3'-hydroxyflavonoids 3-hydroxyflavonoids 4'-hydroxyflavonoids 5-hydroxyflavonoids 7-hydroxyflavonoids 1-benzopyrans Catechols Alkyl aryl ethers 1-hydroxy-2-unsubstituted benzenoids 1-hydroxy-4-unsubstituted benzenoids Benzene and substituted derivatives Tertiary alcohols Secondary alcohols Oxacyclic compounds Polyols Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | B-type proanthocyanidin - Bi- and polyflavonoid skeleton - Proanthocyanidin - Catechin - 3'-hydroxyflavonoid - 3-hydroxyflavonoid - 4'-hydroxyflavonoid - 5-hydroxyflavonoid - 7-hydroxyflavonoid - Flavan-3-ol - Hydroxyflavonoid - Flavan - Chromane - Benzopyran - 1-benzopyran - Catechol - Phenol - Alkyl aryl ether - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Benzenoid - Monocyclic benzene moiety - Tertiary alcohol - Secondary alcohol - Organoheterocyclic compound - Polyol - Oxacycle - Ether - Hydrocarbon derivative - Organooxygen compound - Alcohol - Organic oxygen 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 |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 G2603209 | Certificate of Analysis | Jul 08, 2026 | G426240 |
| Molecular Weight | 590.600 g/mol |
|---|---|
| XLogP3 | 3.300 |
| Hydrogen Bond Donor Count | 9 |
| Hydrogen Bond Acceptor Count | 11 |
| Rotatable Bond Count | 3 |
| Exact Mass | 590.179 Da |
| Monoisotopic Mass | 590.179 Da |
| Topological Polar Surface Area | 201.000 Ų |
| Heavy Atom Count | 43 |
| Formal Charge | 0 |
| Complexity | 970.000 |
| 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 |
