Norwogonin

Also known as: 5,7,8-Trihydroxyflavone, 5,7,8-Trihydroxy-2-phenyl-4H-1-benzopyran-4-one, 2-Phenyl-5,7,8-trihydroxy-4H-1-benzopyran-4-one, 5,7,8-Trihydroxy-2-phenylchromen-4-one, Flavone, 5,7,8-trihydroxy-

Norwogonin (CAS 4443-09-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H10O5 and a molecular weight of 270.23700 g/mol. Key properties include a melting point of 258 ºC (ethanol ), a boiling point of 528.4ºC at 760 mmHg, a density of 1.548g/cm3 and a flash point of 206ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4443-09-8
Jingsj CID: J-1955597-6
Molecular Formula: C₁₅H₁₀O₅
Molecular Weight: 270.23700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	258 ºC (ethanol )
Boiling Point	528.4ºC at 760 mmHg
Density	1.548g/cm3
Flash Point	206ºC
Exact Mass	270.05300
PSA	90.90000
LogP	2.57680
Refractive Index	1.732
Storage Conditions	2-8°C
Additional Property	Very slightly soluble (0.26 g/L) (25 ºC)

Activity & Biological Data

Target	IC50: 31.83 μg/ml (EV71)[1]
Additional Information	[1]. Choi HJ, et al. Inhibitory Effects of Norwogonin, Oroxylin A, and Mosloflavone on Enterovirus 71. Biomol Ther (Seoul). 2016 Sep 1;24(5):552-8.

Customs & Trade Information

HS Code	2914400090
Summary	2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Norwogonin?

The CAS number of Norwogonin is 4443-09-8.

What are the molecular formula and molecular weight of Norwogonin?

Norwogonin has molecular formula C15H10O5 and molecular weight 270.23700 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. "Norwogonin (CAS 4443-09-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955597-6 (accessed 2026-11-09).

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