3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one

Also known as: gancaonin P-3'-methyl ether, 3,5,7,4'-Tetrahydroxy-3'-methoxy-6-isoprenylflavone, 4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methyl-2-buten-1-yl)-, Gancaonin P 3'methyl ether, THMIF, gancaonin 3'-O-methyl ether

3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one (CAS 151776-21-5) is a compound in the Ethers category listed in the Jingsj chemical database. It has the molecular formula C21H20O7 and a molecular weight of 384.37900 g/mol. Key properties include a boiling point of 629.2ºC at 760mmHg, a density of 1.427g/cm3 and a flash point of 223.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 151776-21-5
Jingsj CID: J-1413193-2
Molecular Formula: C₂₁H₂₀O₇
Molecular Weight: 384.37900 g/mol
Category: Ethers
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	629.2ºC at 760mmHg
Density	1.427g/cm3
Flash Point	223.9ºC
Exact Mass	384.12100
PSA	120.36000
LogP	3.79970
Vapor Pressure	2E-16mmHg at 25°C
Refractive Index	1.677

Frequently Asked Questions

What is the CAS number of 3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one?

The CAS number of 3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one is 151776-21-5.

What are the molecular formula and molecular weight of 3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one?

3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one has molecular formula C21H20O7 and molecular weight 384.37900 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. "3,5,7-trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-6-(3-methylbut-2-enyl)chromen-4-one (CAS 151776-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413193-2 (accessed 2026-11-07).

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