7-Hydroxyflavone

Also known as: 7-HYDROXY-2-PHENYLCHROMONE, 7-HYDROXY-2-PHENYL-4H-CHROMEN-4-ONE, 7-hydroxy-2-phenyl-4-benzopyrone, 4H-1-Benzopyran-4-one, 7-hydroxy-2-phenyl-, 7-hydroxy-2-phenylchromen-4-one, NSC 94258

7-Hydroxyflavone (CAS 6665-86-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H10O3 and a molecular weight of 238.238 g/mol. Key properties include a melting point of 245-247 °C(lit.), a boiling point of 450.1±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 176.3±22.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6665-86-7
Jingsj CID: J-6139-2
Molecular Formula: C₁₅H₁₀O₃
Molecular Weight: 238.238 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	245-247 °C(lit.)
Boiling Point	450.1±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	176.3±22.2 °C
Exact Mass	238.062988
PSA	50.44000
LogP	3.32
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.666

Activity & Biological Data

Additional Information	[1]. Vinutha K, et al. Aqueous extract from Madhuca indica bark protects cells from oxidative stress caused by electron beam radiation: in vitro, in vivo and in silico approach. Heliyon. 2019 May 30;5(5):e01749. [2]. Sengupta B, et al. Differential roles of 3-Hydroxyflavone and 7-Hydroxyflavone against nicotine-induced oxidative stress in rat renal proximal tubule cells. PLoS One. 2017 Jun 22;12(6):e0179777. [3]. Sengupta B, et al. Differential roles of 3-Hydroxyflavone and 7-Hydroxyflavone against nicotine-induced oxidative stress in rat renal proximal tubule cells. PLoS One. 2017 Jun 22;12(6):e0179777.

Additional Information

[1]. Vinutha K, et al. Aqueous extract from Madhuca indica bark protects cells from oxidative stress caused by electron beam radiation: in vitro, in vivo and in silico approach. Heliyon. 2019 May 30;5(5):e01749. [2]. Sengupta B, et al. Differential roles of 3-Hydroxyflavone and 7-Hydroxyflavone against nicotine-induced oxidative stress in rat renal proximal tubule cells. PLoS One. 2017 Jun 22;12(6):e0179777. [3]. Sengupta B, et al. Differential roles of 3-Hydroxyflavone and 7-Hydroxyflavone against nicotine-induced oxidative stress in rat renal proximal tubule cells. PLoS One. 2017 Jun 22;12(6):e0179777.

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 7-Hydroxyflavone?

The CAS number of 7-Hydroxyflavone is 6665-86-7.

What are the molecular formula and molecular weight of 7-Hydroxyflavone?

7-Hydroxyflavone has molecular formula C15H10O3 and molecular weight 238.238 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. "7-Hydroxyflavone (CAS 6665-86-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6139-2 (accessed 2026-11-09).

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