Robinetin

洋槐黄素

Also known as: 3,3',4',5',7-Pentahydroxyflavone, 5-Hydroxyfisetin, 3,7,3',4',5'-Pentahydroxyflavone, Norkanugin, 3,7-Dihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-chromen-4-one

Robinetin (CAS 490-31-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H10O7 and a molecular weight of 302.236 g/mol. It is also known as 3,3',4',5',7-Pentahydroxyflavone, 5-Hydroxyfisetin and 3,7,3',4',5'-Pentahydroxyflavone. Key properties include a melting point of 326-328ºC, a boiling point of 669.9±55.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 258.6±25.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 490-31-3
Jingsj CID: J-1981573-4
Molecular Formula: C₁₅H₁₀O₇
Chinese Name: 洋槐黄素
Molecular Weight: 302.236 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	326-328ºC
Boiling Point	669.9±55.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	258.6±25.0 °C

Frequently Asked Questions

What is the CAS number of Robinetin?

The CAS number of Robinetin is 490-31-3.

What are the molecular formula and molecular weight of Robinetin?

Robinetin has molecular formula C15H10O7 and molecular weight 302.236 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. "Robinetin (CAS 490-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1981573-4 (accessed 2026-10-22).

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