2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one

2-(3,4-二甲氧基苯基)-5,7-二羟基-3-甲氧基-4H-色烯-4-酮

Also known as: 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxy-, Quercetin 3,3',4'-trimethyl ether, quercetin 3,3',4'-tri-O-methyl ether, 5,7-Dihydroxy-3,3',4'-trimethoxyflavone, UNII-429X56Q8K5, 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-3-methoxy-4H-chromen-4-one

2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one (CAS 14549-84-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C18H16O7 and a molecular weight of 344.31500 g/mol. It is also known as 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxy-, Quercetin 3,3',4'-trimethyl ether and quercetin 3,3',4'-tri-O-methyl ether. Key properties include a boiling point of 571.1ºC at 760mmHg, a density of 1.45g/cm3 and a flash point of 209.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14549-84-9
Jingsj CID
J-1498745-8
Molecular Formula
C18H16O7
Chinese Name
2-(3,4-二甲氧基苯基)-5,7-二羟基-3-甲氧基-4H-色烯-4-酮
Molecular Weight
344.31500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point571.1ºC at 760mmHg
Density1.45g/cm3
Flash Point209.7ºC

Frequently Asked Questions

What is the CAS number of 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one?

The CAS number of 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one is 14549-84-9.

What are the molecular formula and molecular weight of 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one?

2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one has molecular formula C18H16O7 and molecular weight 344.31500 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one (CAS 14549-84-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498745-8 (accessed 2026-10-22).

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