Puerarin

葛根素

Also known as: 8-β-D-Glucopyranosyl-4',7-dihydroxyisoflavone, Kakonein, Daidzein-8-C-glucoside, 7-Hydroxy-3-(4-hydroxyphenyl)-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-4H-chromen-4-one

Puerarin (CAS 3681-99-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H20O9 and a molecular weight of 416.38 g/mol. It is also known as 8-β-D-Glucopyranosyl-4',7-dihydroxyisoflavone, Kakonein and Daidzein-8-C-glucoside. Key properties include a melting point of 187-189°C, a boiling point of 791.2±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 281.5±26.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3681-99-0
Jingsj CID: J-10484-7
Molecular Formula: C₂₁H₂₀O₉
Chinese Name: 葛根素
Molecular Weight: 416.38 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	187-189°C
Boiling Point	791.2±60.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	281.5±26.4 °C

Frequently Asked Questions

What is the CAS number of Puerarin?

The CAS number of Puerarin is 3681-99-0.

What are the molecular formula and molecular weight of Puerarin?

Puerarin has molecular formula C21H20O9 and molecular weight 416.38 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. "Puerarin (CAS 3681-99-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10484-7 (accessed 2026-10-24).

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