Fraxidin

Also known as: Fraxinidine, 8-Hydroxy-6,7-dimethoxycoumarin, 8-Hydroxy-6,7-dimethoxychromen-2-one, 6,7-Dimethoxy-8-hydroxycoumarin, 8-Hydroxy-6,7-dimethoxy-2H-1-benzopyran-2-one, 2H-1-Benzopyran-2-one,8-hydroxy-6,7-dimethoxy-, 6,7-dimethoxy-8-hydroxy-2H-1-benzopyran-2-one, 8-hydroxy-6,7-dimethoxy-2-benzopyrone, AKOS 243-90, EINECS 208-370-7

Fraxidin (CAS 525-21-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H10O5 and a molecular weight of 222.194 g/mol. Key properties include a melting point of 196-197ºC, a boiling point of 424.2±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 171.0±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 525-21-3
Jingsj CID: J-1983189-1
Molecular Formula: C₁₁H₁₀O₅
Molecular Weight: 222.194 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	196-197ºC
Boiling Point	424.2±45.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	171.0±22.2 °C
Exact Mass	222.052826
PSA	68.90000
LogP	0.56
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.588

Activity & Biological Data

Target	Bacillus subtilis[2]
Additional Information	[1]. Kim NY, et al. In vitro inducible nitric oxide synthesis inhibitory active constituents from Fraxinus rhynchophylla. Planta Med. 1999 Oct;65(7):656-8. [2]. Minh TN, et al. Isolation and Purification of Bioactive Compounds from the Stem Bark of Jatropha podagrica. Molecules. 2019 Mar 3;24(5). pii: E889.

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Fraxidin?

The CAS number of Fraxidin is 525-21-3.

What are the molecular formula and molecular weight of Fraxidin?

Fraxidin has molecular formula C11H10O5 and molecular weight 222.194 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. "Fraxidin (CAS 525-21-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1983189-1 (accessed 2026-11-09).

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