5,7-Dihydroxy-3,3',4',5'-tetramethoxyflavone

5,7-二羟基-3,3',4',5'-四甲氧基黄酮

Also known as: 5,7-Dihydroxy-3-methoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one, Myricetin 3,3',4',5'-tetramethyl ether, 3,3',4',5'-Tetramethylmyricetin, Myricetin methylether

5,7-Dihydroxy-3,3',4',5'-tetramethoxyflavone (CAS 14585-04-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H18O8 and a molecular weight of 374.34100 g/mol. It is also known as 5,7-Dihydroxy-3-methoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one, Myricetin 3,3',4',5'-tetramethyl ether and 3,3',4',5'-Tetramethylmyricetin. Key properties include a boiling point of 594.2ºC at 760mmHg, a density of 1.44g/cm3 and a flash point of 214.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14585-04-7
Jingsj CID: J-1000722-2
Molecular Formula: C₁₉H₁₈O₈
Chinese Name: 5,7-二羟基-3,3',4',5'-四甲氧基黄酮
Molecular Weight: 374.34100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	594.2ºC at 760mmHg
Density	1.44g/cm3
Flash Point	214.3ºC

Frequently Asked Questions

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

The CAS number of 5,7-Dihydroxy-3,3',4',5'-tetramethoxyflavone is 14585-04-7.

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

5,7-Dihydroxy-3,3',4',5'-tetramethoxyflavone has molecular formula C19H18O8 and molecular weight 374.34100 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5,7-Dihydroxy-3,3',4',5'-tetramethoxyflavone (CAS 14585-04-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1000722-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.