Flavokawain B
Also known as: 4',6'-Dimethoxy-2'-hydroxychalcone, (E)-1-(2-Hydroxy-4,6-dimethoxyphenyl)-3-phenylprop-2-en-1-one, Flavokavain B, Flavokawin B, 2'-Hydroxy-4',6'-dimethoxychalcone, Cardamonin-4'-methyl ether, 1-(2-hydroxy-4,6-dimethoxyphenyl)-3-phenyl-2-propen-1-one, MFCD00075877, 1OR CQ EO1 BV1U1R &&E Form
Flavokawain B (CAS 1775-97-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H16O4 and a molecular weight of 284.306 g/mol. Key properties include a melting point of 178-179 ºC (ethanol ), a boiling point of 500.1±50.0 °C at 760 mmHg, a density of 1.203±0.06 g/cm3 and a flash point of 185.8±23.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1775-97-9
- Jingsj CID
- J-1981581-7
- Molecular Formula
- C17H16O4
- Molecular Weight
- 284.306 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 178-179 ºC (ethanol ) |
|---|---|
| Boiling Point | 500.1±50.0 °C at 760 mmHg |
| Density | 1.203±0.06 g/cm3 |
| Flash Point | 185.8±23.6 °C |
| Exact Mass | 284.104858 |
| PSA | 55.76000 |
| LogP | 4.01 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.614 |
| Storage Conditions | -20℃ |
| Additional Property | Practically insoluble (0.012 g/L) (25 ºC) |
Activity & Biological Data
| Additional Information | [1]. Rossette MC, et al. The In Vitro and In Vivo Antiangiogenic Effects of Flavokawain B. Phytother Res. 2017 Oct;31(10):1607-1613. [2]. Li X, et al. Flavokawain B targets protein neddylation for enhancing the anti-prostate cancer effect of Bortezomib via Skp2 degradation. Cell Commun Signal. 2019 Mar 18;17(1):25. |
|---|
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 Flavokawain B?
The CAS number of Flavokawain B is 1775-97-9.
What are the molecular formula and molecular weight of Flavokawain B?
Flavokawain B has molecular formula C17H16O4 and molecular weight 284.306 g/mol.
What are the upstream and downstream products of Flavokawain B?
For Flavokawain B, Upstream Products: 2'-Hydroxy-4',6'-dimethoxyacetophenone, Benzaldehyde, 5,7-Dimethoxyflavanone; Downstream Products: 5,7-Dimethoxyisoflavone, 2-Hydroxy-4,6-dimethoxybenzoic acid, Methyl benzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Flavokawain B (CAS 1775-97-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981581-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.