Daidzin

Also known as: Daidzein 7-O-glucoside, Daidzein-7-O-β-D-glucopyranoside, Daidzoside, 7-O-β-D-glucopyranosyldaidzein, 3-(4-Hydroxyphenyl)-4-oxo-4H-chromen-7-yl β-D-glucopyranoside, 4',7-dihydroxyisoflavone-7-D-glucoside, 4'-hydroxyisoflavone-7-O-glucoside, 4H-1-Benzopyran-4-one, 7-(β-D-glucopyranosyloxy)-3-(4-hydroxyphenyl)-, daidzein 7-O-beta-D-glucoside, daidzein 7-O-β-D-glucoside

Daidzin (CAS 552-66-9) 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 416.378 g/mol. Key properties include a melting point of 234-236°C, a boiling point of 727.6±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 259.8±26.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 552-66-9
Jingsj CID: J-5428-4
Molecular Formula: C₂₁H₂₀O₉
Molecular Weight: 416.378 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	234-236°C
Boiling Point	727.6±60.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	259.8±26.4 °C
Exact Mass	416.110718
PSA	149.82000
LogP	0.45
Vapor Pressure	0.0±2.5 mmHg at 25°C
Refractive Index	1.695

Activity & Biological Data

Additional Information	[1]. Xie CI, et al. Daidzin, an antioxidant isoflavonoid, decreases blood alcohol levels and shortens sleep time induced by ethanol intoxication. Alcohol Clin Exp Res. 1994 Dec;18(6):1443-7. [2]. Keung WM, et al. Kudzu root: an ancient Chinese source of modern antidipsotropic agents. Phytochemistry. 1998 Feb;47(4):499-506. [3]. Keung WM, et al. Daidzin inhibits mitochondrial aldehyde dehydrogenase and suppresses ethanol intake of Syrian golden hamsters. Proc Natl Acad Sci U S A. 1997 Mar 4;94(5):1675-9.

Additional Information

[1]. Xie CI, et al. Daidzin, an antioxidant isoflavonoid, decreases blood alcohol levels and shortens sleep time induced by ethanol intoxication. Alcohol Clin Exp Res. 1994 Dec;18(6):1443-7. [2]. Keung WM, et al. Kudzu root: an ancient Chinese source of modern antidipsotropic agents. Phytochemistry. 1998 Feb;47(4):499-506. [3]. Keung WM, et al. Daidzin inhibits mitochondrial aldehyde dehydrogenase and suppresses ethanol intake of Syrian golden hamsters. Proc Natl Acad Sci U S A. 1997 Mar 4;94(5):1675-9.

Frequently Asked Questions

What is the CAS number of Daidzin?

The CAS number of Daidzin is 552-66-9.

What are the molecular formula and molecular weight of Daidzin?

Daidzin has molecular formula C21H20O9 and molecular weight 416.378 g/mol.

What are the upstream and downstream products of Daidzin?

For Daidzin, Upstream Products: Daidzein, Daidzin 6''-O-malonate, 1-(2,4-Dihydroxyphenyl)-2-(4-hydroxyphenyl)ethanone; Downstream Products: Daidzein.

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. "Daidzin (CAS 552-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5428-4 (accessed 2026-11-09).

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