5,7,3',4'-Tetramethoxyflavone

Also known as: Luteolin tetramethyl ether, Tetramethoxyluteolin, Tetramethylluteolin, 2-(3,4-Dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one, 3',4',5,7-Tetramethoxyflavone, 5,7,3',4'-Tetramethylluteolin

5,7,3',4'-Tetramethoxyflavone (CAS 855-97-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H18O6 and a molecular weight of 342.34300 g/mol. Key properties include a melting point of 195-197°C, a boiling point of 528.8ºC at 760 mmHg, a density of 1.243g/cm3 and a flash point of 233.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 855-97-0
Jingsj CID: J-44037-9
Molecular Formula: C₁₉H₁₈O₆
Molecular Weight: 342.34300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	195-197°C
Boiling Point	528.8ºC at 760 mmHg
Density	1.243g/cm3
Flash Point	233.9ºC
Exact Mass	342.11000
PSA	67.13000
LogP	3.49440
Refractive Index	1.574

Activity & Biological Data

Additional Information	[1]. Wu L, et al. 5,7,3',4'-Tetramethoxyflavone exhibits chondroprotective activity by targeting β-catenin signaling in vivo and in vitro. Biochem Biophys Res Commun. 2014 Sep 26;452(3):682-8.

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5,7,3',4'-Tetramethoxyflavone?

The CAS number of 5,7,3',4'-Tetramethoxyflavone is 855-97-0.

What are the molecular formula and molecular weight of 5,7,3',4'-Tetramethoxyflavone?

5,7,3',4'-Tetramethoxyflavone has molecular formula C19H18O6 and molecular weight 342.34300 g/mol.

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. "5,7,3',4'-Tetramethoxyflavone (CAS 855-97-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44037-9 (accessed 2026-11-09).

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