Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Retusin
Price: Check
Purity: 90.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

BioBioPha
China
Product Name: Retusin
Price: ￥900.0/5mg
Purity: 98.0%
Stocking Period: 10 Day
Contact: Xueping-Zheng
Email: 1477035482@qq.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Retusin
Price: ￥3520.0/5mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5-hydroxy-3,7-dimethoxy-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1245-15-4

1245-15-4 structure

1245-15-4 structure

Name: Retusin
Chemical Name: quercetin-3,7,3',4'-tetramethyl ether
CAS Number: 1245-15-4
Molecular Formula: C₁₉H₁₈O₇
Molecular Weight: 358.34200
Catalog: Research Areas Infection
Create Date: 2018-12-04 17:09:09
Modify Date: 2025-08-20 23:51:40
Retusin (Quercetin-3,3',4',7-tetramethylether), a natural compound isolated from the leaves of Talinum triangulare, possesses antiviral and anti-inflammatory activities[1].

Name	quercetin-3,7,3',4'-tetramethyl ether
Synonyms	RETUSIN Einecs 214-991-4 5-Hydroxy-3,3',4',7-tetramethoxyflavone 3,3',4',7-tetramethoxy-5-hydroxyflavone QUERCETINTETRAMETHYLETHER 3,7,3',4'-Tetra-O-methylquercetin 3,7,3',4'-Tetra-O-methylguercetin

Description	Retusin (Quercetin-3,3',4',7-tetramethylether), a natural compound isolated from the leaves of Talinum triangulare, possesses antiviral and anti-inflammatory activities[1].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Others >> Others Research Areas >> Inflammation/Immunology
References	[1]. Ga-Eun Lee, et al. Antiviral activities of hydroxylated flavones on feline foamy viral proliferation. Appl Biol Chem. 2017 Jul.

Density	1.36g/cm3
Boiling Point	569.2ºC at 760mmHg
Melting Point	156-161ºC
Molecular Formula	C₁₉H₁₈O₇
Molecular Weight	358.34200
Flash Point	205.6ºC
Exact Mass	358.10500
PSA	87.36000
LogP	3.20000
Vapour Pressure	1.48E-13mmHg at 25°C
Index of Refraction	1.617

HS Code	2914509090

Precursor 10
117-39-5 77-78-1 74-88-4 33429-83-3
1247-97-8 75-18-3 186581-53-3 10496-67-0
76650-20-9 29080-58-8
DownStream 4
93-07-2 2174-64-3 1247-97-8 7380-44-1

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%

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