(-)-Epicatechin gallate
表儿茶素没食子酸酯
Also known as: ECG, (-)-Epicatechin gallate, Epicatechin gallate, (-)-epicatechin-3-O-gallate, (-)-epicatechin-3-gallate, (2R,3R)-2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl 3,4,5-trihydroxybenzoate, (-)-cis-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol 3-gallate, (-)-cis-3,3',4',5,7-Pentahydroxyflavane 3-gallate, Benzoic acid, 3,4,5-trihydroxy-, (2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran-3-yl ester, Epicatechol, 3-gallate, (-)- (8CI)
- CAS No.
- 1257-08-5
- Jingsj CID
- J-25493-3
- Molecular Formula
- C22H18O10
- Chinese Name
- 表儿茶素没食子酸酯
- Molecular Weight
- 442.372 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 257-258ºC |
|---|---|
| Boiling Point | 861.7±65.0 °C at 760 mmHg |
| Density | 1.8±0.1 g/cm3 |
| Flash Point | 305.0±27.8 °C |
Frequently Asked Questions
What is the CAS number of (-)-Epicatechin gallate?
1257-08-5
What are the molecular formula and molecular weight of (-)-Epicatechin gallate?
C22H18O10, molecular weight 442.372 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026