5,7-Dimethoxyisoflavone

Also known as: 5,7-dimethoxy-3-phenylchromen-4-one, 4H-1-Benzopyran-4-one, 5,7-dimethoxy-3-phenyl-, 5,7-Dimethoxy-3-phenyl-4H-1-benzopyran-4-one, 5,7-Dimethoxy-3-phenyl-4H-chromen-4-one, 5,7-dimethoxy-3-phenyl-chromen-4-one, 5,7-dimethoxyisoflavone

5,7-Dimethoxyisoflavone (CAS 26964-35-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H14O4 and a molecular weight of 282.29100 g/mol. Key properties include a boiling point of 476.6ºC at 760mmHg, a density of 1.242g/cm3 and a flash point of 213.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 26964-35-2
Jingsj CID: J-1000717-7
Molecular Formula: C₁₇H₁₄O₄
Molecular Weight: 282.29100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	476.6ºC at 760mmHg
Density	1.242g/cm3
Flash Point	213.5ºC
Exact Mass	282.08900
PSA	48.67000
LogP	3.47720
Vapor Pressure	3.01E-09mmHg at 25°C
Refractive Index	1.598

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 5,7-Dimethoxyisoflavone?

The CAS number of 5,7-Dimethoxyisoflavone is 26964-35-2.

What are the molecular formula and molecular weight of 5,7-Dimethoxyisoflavone?

5,7-Dimethoxyisoflavone has molecular formula C17H14O4 and molecular weight 282.29100 g/mol.

What are the upstream and downstream products of 5,7-Dimethoxyisoflavone?

For 5,7-Dimethoxyisoflavone, Upstream Products: 5,7-Dimethoxyflavanone, 2'-Hydroxy-4',6'-dimethoxyacetophenone, Flavokawain B.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "5,7-Dimethoxyisoflavone (CAS 26964-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1000717-7 (accessed 2026-11-09).

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