3-Hydroxy-3'-methoxyflavone

3-羟基-3'-甲氧基黄酮

Also known as: 3'-Methoxyflavonol, 3-Hydroxy-2-(3-methoxyphenyl)-4H-chromen-4-one, 3-Hydroxy-2-(3-methoxyphenyl)chromen-4-one, 4H-1-Benzopyran-4-one, 3-hydroxy-2-(3-methoxyphenyl)-, AF 4

3-Hydroxy-3'-methoxyflavone (CAS 76666-32-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12O4 and a molecular weight of 268.26400 g/mol. It is also known as 3'-Methoxyflavonol, 3-Hydroxy-2-(3-methoxyphenyl)-4H-chromen-4-one and 3-Hydroxy-2-(3-methoxyphenyl)chromen-4-one. Key properties include a melting point of 130-131ºC, a boiling point of 435.2ºC at 760 mmHg, a density of 1.353g/cm3 and a flash point of 164.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 76666-32-5
Jingsj CID: J-22358-0
Molecular Formula: C₁₆H₁₂O₄
Chinese Name: 3-羟基-3'-甲氧基黄酮
Molecular Weight: 268.26400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	130-131ºC
Boiling Point	435.2ºC at 760 mmHg
Density	1.353g/cm3
Flash Point	164.4ºC

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-3'-methoxyflavone?

The CAS number of 3-Hydroxy-3'-methoxyflavone is 76666-32-5.

What are the molecular formula and molecular weight of 3-Hydroxy-3'-methoxyflavone?

3-Hydroxy-3'-methoxyflavone has molecular formula C16H12O4 and molecular weight 268.26400 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. "3-Hydroxy-3'-methoxyflavone (CAS 76666-32-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22358-0 (accessed 2026-10-22).

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