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Epigallocatechin Gallate (EGCG)
CAS: 989-51-5
CAT: 10586
Abstract
EGCG (Epigallocatechin Gallate, CAS 989-51-5), also known as (-)-epigallocatechin-3-gallate, is the most abundant and bioactive catechin in green tea (Camellia sinensis). This major polyphenol is prized for its potent antioxidant properties and has been extensively studied for its potential roles in supporting human health, including antioxidant, anti-inflammatory, and metabolic research applications.
Green tea catechins, particularly EGCG, represent a significant portion of the dry leaf weight and contribute to the well-documented benefits associated with green tea consumption. In vitro and preclinical research has explored EGCG’s ability to scavenge free radicals, modulate cellular pathways, and support various biological processes. EGCG is a key marker compound for the standardization and quality control of green tea extracts used in dietary supplements, nutraceuticals, and functional foods.
Planta Analytica provides high-purity EGCG as an analytical reference standard to enable accurate quantification, method validation, and extract standardization in laboratories worldwide.
See our collection of plant polyphenols and procyanidins here.
References
Withanoside IV and its active metabolite
Compound Details
| CAS | 989-51-5 |
|---|---|
| Molecular Weight | 458.4 g/mol |
| Chemical Formula | C₂₂H₁₈O₁₁ |
| IUPAC | [(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate |
| SMILES | C1[C@H]([C@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C(=C3)O)O)O)OC(=O)C4=CC(=C(C(=C4)O)O)O |
| Synonyms | (-)-Epigallocatechin gallate, EGCG, Epigallocatechin-3-gallate |
| Purity | 98%+ |
| Storage Temperature | Below −18°C |
| Storage Conditions | Dry, Freezer |
$1.85 - $4.00 / milligram
Technical Support
Product information is from published literature. Due to the nature of scientific experimentation, results or specific product application may vary (e.g., selectivity, detector response). If you have questions about the product, its application, and associated analytics, please contact our technical support team.
Product Use Disclaimer
Products are sold as laboratory reference materials, to be used for diagnostic and in vivo testing. The samples are not certified for veterinary or human use.
