Scutellarein tetramethyl ether

Also known as: Tetramethylscutellarein, Tetra-O-methylscutellarein, Tetramethyl-O-scutellarin, 5,6,7,4'-Tetramethoxyflavone, 4',5,6,7-Tetramethoxyflavone, 5-Methoxysalvigenin, Pectolinarigenin dimethyl ether, NSC 53908

Scutellarein tetramethyl ether (CAS 1168-42-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C19H18O6 and a molecular weight of 342.34300 g/mol. Key properties include a melting point of 142-143ºC, a boiling point of 525.7ºC at 760mmHg, a density of 1.243g/cm3 and a flash point of 232.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1168-42-9
Jingsj CID: J-46236-2
Molecular Formula: C₁₉H₁₈O₆
Molecular Weight: 342.34300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	142-143ºC
Boiling Point	525.7ºC at 760mmHg
Density	1.243g/cm3
Flash Point	232.4ºC
Exact Mass	342.11000
PSA	67.13000
LogP	3.49440
Vapor Pressure	3.84E-11mmHg at 25°C
Refractive Index	1.574

Activity & Biological Data

Additional Information	[1]. Pandith H, et al. Effect of Siam weed extract and its bioactive component scutellarein tetramethyl ether on anti-inflammatory activity through NF-κB pathway. J Ethnopharmacol. 2013 May 20;147(2):434-41. [2]. Maia GL, et al. Flavonoids from Praxelis clematidea R.M. King and Robinson modulate bacterial drug resistance. Molecules. 2011 Jun 10;16(6):4828-35. [3]. Triratana T, et al. Effect of Eupatorium odoratum on blood coagulation. J Med Assoc Thai. 1991 May;74(5):283-7.

Additional Information

[1]. Pandith H, et al. Effect of Siam weed extract and its bioactive component scutellarein tetramethyl ether on anti-inflammatory activity through NF-κB pathway. J Ethnopharmacol. 2013 May 20;147(2):434-41. [2]. Maia GL, et al. Flavonoids from Praxelis clematidea R.M. King and Robinson modulate bacterial drug resistance. Molecules. 2011 Jun 10;16(6):4828-35. [3]. Triratana T, et al. Effect of Eupatorium odoratum on blood coagulation. J Med Assoc Thai. 1991 May;74(5):283-7.

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Scutellarein tetramethyl ether?

The CAS number of Scutellarein tetramethyl ether is 1168-42-9.

What are the molecular formula and molecular weight of Scutellarein tetramethyl ether?

Scutellarein tetramethyl ether has molecular formula C19H18O6 and molecular weight 342.34300 g/mol.

What are the upstream and downstream products of Scutellarein tetramethyl ether?

For Scutellarein tetramethyl ether, Upstream Products: (3,4-Dimethoxyphenyl)boronic acid, 3,4,5-Trimethoxyphenol, 2,3,4-Trimethoxy-6-hydroxyacetophenone; Downstream Products: Tangeretin, Salvigenin, Gardenin B.

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. "Scutellarein tetramethyl ether (CAS 1168-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46236-2 (accessed 2026-11-09).

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