(-)-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)
(-)-Epicatechin gallate (CAS 1257-08-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H18O10 and a molecular weight of 442.372 g/mol. It is also known as ECG, Epicatechin gallate and (-)-epicatechin-3-O-gallate. Key properties include a melting point of 257-258ºC, a boiling point of 861.7±65.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 305.0±27.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- 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
No offers for this compound yet.
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?
The CAS number of (-)-Epicatechin gallate is 1257-08-5.
What are the molecular formula and molecular weight of (-)-Epicatechin gallate?
(-)-Epicatechin gallate has molecular formula C22H18O10 and molecular weight 442.372 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(-)-Epicatechin gallate (CAS 1257-08-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25493-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.