Quercetagetin

Also known as: 3,3',4',5,6,7-Hexahydroxyflavone, 3,5,6,7,3',4'-Hexahydroxyflavone, 6-Hydroxyquercetin, Quercetagenin, Quercetagin, 2-(3,4-Dihydroxyphenyl)-3,5,6,7-tetrahydroxy-4H-1-benzopyran-4-one, 3,5,6,7,3',4'-Hexahydroxyflavonol

Quercetagetin (CAS 90-18-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H10O8 and a molecular weight of 318.23500 g/mol. Key properties include a melting point of >300ºC, a boiling point of 732.4ºC at 760 mmHg, a density of 1.912 g/cm3 and a flash point of 280.3ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 90-18-6
Jingsj CID: J-40351-0
Molecular Formula: C₁₅H₁₀O₈
Molecular Weight: 318.23500 g/mol
Category: Organic Compounds
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	>300ºC
Boiling Point	732.4ºC at 760 mmHg
Density	1.912 g/cm3
Flash Point	280.3ºC
Exact Mass	318.03800
PSA	151.59000
LogP	1.69360
Refractive Index	1.863
Storage Conditions	2-8℃

Activity & Biological Data

Target	PIM1:0.34 μM (IC50) PIM2:3.45 μM (IC50) RSK2:2.82 μM (IC50) PKA:21.2 μM (IC50)
Additional Information	[1]. Holder S, et al. Characterization of a potent and selective small-molecule inhibitor of the PIM1 kinase. Mol Cancer Ther. 2007 Jan;6(1):163-72. [2]. Baek S, et al. Structural and functional analysis of the natural JNK1 inhibitor quercetagetin. J Mol Biol. 2013 Jan 23;425(2):411-23. [3]. Yang X, et al. Isolation and identification of an antioxidant flavonoid compound from citrus-processing by-product. J Sci Food Agric. 2011 Aug 15;91(10):1925-7.

Target

PIM1:0.34 μM (IC50) PIM2:3.45 μM (IC50) RSK2:2.82 μM (IC50) PKA:21.2 μM (IC50)

Additional Information

[1]. Holder S, et al. Characterization of a potent and selective small-molecule inhibitor of the PIM1 kinase. Mol Cancer Ther. 2007 Jan;6(1):163-72. [2]. Baek S, et al. Structural and functional analysis of the natural JNK1 inhibitor quercetagetin. J Mol Biol. 2013 Jan 23;425(2):411-23. [3]. Yang X, et al. Isolation and identification of an antioxidant flavonoid compound from citrus-processing by-product. J Sci Food Agric. 2011 Aug 15;91(10):1925-7.

Frequently Asked Questions

What is the CAS number of Quercetagetin?

The CAS number of Quercetagetin is 90-18-6.

What are the molecular formula and molecular weight of Quercetagetin?

Quercetagetin has molecular formula C15H10O8 and molecular weight 318.23500 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "Quercetagetin (CAS 90-18-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40351-0 (accessed 2026-11-09).

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