Skip to main content

Flavokawain A

Also known as: 2'-Hydroxy-4,4',6'-trimethoxychalcone, (E)-1-(2-Hydroxy-4,6-dimethoxyphenyl)-3-(4-methoxyphenyl)prop-2-en-1-one, 2-Propen-1-one, 1-(2-hydroxy-4,6-dimethoxyphenyl)-3-(4-methoxyphenyl)-, Flavokavin A, MFCD00017174

Flavokawain A (CAS 3420-72-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H18O5 and a molecular weight of 314.332 g/mol. Key properties include a melting point of 112-116 °C(lit.), a boiling point of 529.9±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 193.2±23.6 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3420-72-2
Jingsj CID
J-6078-6
Molecular Formula
C18H18O5
Molecular Weight
314.332 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point112-116 °C(lit.)
Boiling Point529.9±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point193.2±23.6 °C
Exact Mass314.115417
PSA64.99000
LogP3.96
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.600

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Xiaolin Zi, et al. Flavokawain A, a novel chalcone from kava extract, induces apoptosis in bladder cancer cells by involvement of Bax protein-dependent and mitochondria-dependent apoptotic pathway and suppresses tumor growth in mice. Cancer Res. 2005 Apr 15;65(8):3479-86.

Customs & Trade Information

HS Code2914509090
SummaryHS: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 A?

The CAS number of Flavokawain A is 3420-72-2.

What are the molecular formula and molecular weight of Flavokawain A?

Flavokawain A has molecular formula C18H18O5 and molecular weight 314.332 g/mol.

Is Flavokawain A hazardous?

Flavokawain A has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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 A (CAS 3420-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6078-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.