Ermanin
Also known as: 5,7-dihydroxy-3-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one, 5,7-dihydroxy-3,4'-dimethoxyflavone, 3,4'-dimethoxy-5,7-dihydroxyflavone, kaempferol 3,4'-di-O-methyl ether, kaempferol-3,4'-dimethyl ether, 3,4'-dimethoxykaempferol, 5,7-dihydroxy-3,4'-dimethoxyflavone
Ermanin (CAS 20869-95-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C17H14O6 and a molecular weight of 314.289 g/mol. Key properties include a boiling point of 552.0±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 206.9±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20869-95-8
- Jingsj CID
- J-1980871-0
- Molecular Formula
- C17H14O6
- Molecular Weight
- 314.289 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 552.0±50.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 206.9±23.6 °C |
| Exact Mass | 314.079041 |
| PSA | 89.13000 |
| LogP | 2.40 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.671 |
Activity & Biological Data
| Target | COX-2 iNOS Bacterial |
|---|---|
| Additional Information | [1]. Sandeep Appunni, et al. Targeting PknB, an Eukaryotic-Like serine/threonine Protein Kinase of Mycobacterium Tuberculosis With Phytomolecules. Comput Biol Chem. 2017 Apr;67:200-204. [2]. Jih-Jung Chen, et al. New Sesquiterpenoids and Anti-Platelet Aggregation Constituents From the Rhizomes of Curcuma Zedoaria. Molecules. 2016 Oct 17;21(10):1385. |
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ermanin?
The CAS number of Ermanin is 20869-95-8.
What are the molecular formula and molecular weight of Ermanin?
Ermanin has molecular formula C17H14O6 and molecular weight 314.289 g/mol.
What are the upstream and downstream products of Ermanin?
For Ermanin, Upstream Products: 2-Methoxy-1-(2,4,6-trihydroxyphenyl)ethanone, 4-Methoxybenzoic anhydride, 4-Methoxybenzoic acid; Downstream Products: Kaempferide, Kaempferol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ermanin (CAS 20869-95-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1980871-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.