ChemicalBook >> CAS DataBase List >>4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- structure

CAS No.: 40554-94-7

Chemical Name:: 4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-

Synonyms: 3',5-Di-O-methyl quercetin;Quercetin 5,3'-dimethyl ether;3',5 Di O methyl quercetin,3',5DiOmethyl quercetin;3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one;4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-

CBNumber:: CB08377274

Molecular Formula:: C17H14O7

Molecular Weight:: 330.29

MDL Number:

MOL File:: 40554-94-7.mol

MSDS File:: SDS

Last updated:2026-04-22 18:57:36

Product description	Number	Pack Size	Price
3',5-Di-O-methyl quercetin ≥98%	379157	5mg	$585
Quercetin 5,3′-dimethyl ether	CS-0897131	1mg	$342
Quercetin 5,3′-dimethyl ether	AA0221DH	1mg	$148
Quercetin 5,3′-dimethyl ether	AA0221DH	5mg	$313
Quercetin 5,3′-dimethyl ether ≥98%	AA0221DH	10mg	$424

Request For Quotation

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- Properties

Boiling point	617.4±55.0 °C(Predicted)
Density	1.507±0.06 g/cm3(Predicted)
pka	6.46±0.40(Predicted)

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Usbiological	379157	3',5-Di-O-methyl quercetin ≥98%	40554-94-7	5mg	$585	2026-06-03	Buy
ChemScene	CS-0897131	Quercetin 5,3′-dimethyl ether	40554-94-7	1mg	$342	2026-06-04	Buy
aablocks	AA0221DH	Quercetin 5,3′-dimethyl ether	40554-94-7	1mg	$148	2026-06-01	Buy
aablocks	AA0221DH	Quercetin 5,3′-dimethyl ether	40554-94-7	5mg	$313	2026-06-01	Buy
aablocks	AA0221DH	Quercetin 5,3′-dimethyl ether ≥98%	40554-94-7	10mg	$424	2026-06-01	Buy

Product number	Packaging	Price	Buy
379157	5mg	$585	Buy
CS-0897131	1mg	$342	Buy
AA0221DH	1mg	$148	Buy
AA0221DH	5mg	$313	Buy
AA0221DH	10mg	$424	Buy

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- Chemical Properties,Uses,Production

Uses

Quercetin 5,3′-dimethyl ether is a kind of flavonoid. Quercetin 5,3′-dimethyl ether can be isolated from Combretum erythrophyllum (Combretaceae). Quercetin 5,3′-dimethyl ether has anti-inflammatory activity and antibacterial activity[1].

References

[1] N D Martini, et al. Biological activity of five antibacterial flavonoids from Combretum erythrophyllum (Combretaceae). J Ethnopharmacol. 2004, 93, 3. DOI:10.1016/j.jep.2004.02.030

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- Preparation Products And Raw materials

Raw materials

Preparation Products

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- Suppliers

Global( 31)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Chengdu Biopurify Phytochemicals Ltd.	+86-28-82633860; +8618080483897	sales@biopurify.com	China	4616	58
TargetMol Chemicals Inc.	+1-781-999-5354;	support@targetmol.com	United States	39037	58
Mensura Group Limited	18780014153	1058503172@qq.com	China	2900	58
Chengdu Biopurify Phytochemicals Ltd.	+86-028-82633397 18982077548	cwb1@biopurify.cn	China	2376	60
Shanghai YuanYe Biotechnology Co., Ltd.	13636370518	shyysw007@163.com	China	89686	60
Shanghai Yihe Biological Technology Co., Ltd.	021-68882955 17721395025	2423903095@qq.com	China	4999	58
Chengdu Push Bio-Technology Co., Ltd.	028-85370565-229 18080489829	18080489829@163.com	China	8393	60
Henan Alfachem Co.,Ltd.	0371-55051623 18137891487	3983243027@qq.com	China	9913	58
BioBioPha Co., Ltd.	0871-65217109	y.liu@mail.biobiopha.com	China	2793	58
ChengDu YiRui Bio-Technology CO., LTD	18224028459 18224028459	yirui307@163.com	China	950	58

Supplier	Advantage
Chengdu Biopurify Phytochemicals Ltd.	58
TargetMol Chemicals Inc.	58
Mensura Group Limited	58
Chengdu Biopurify Phytochemicals Ltd.	60
Shanghai YuanYe Biotechnology Co., Ltd.	60
Shanghai Yihe Biological Technology Co., Ltd.	58
Chengdu Push Bio-Technology Co., Ltd.	60
Henan Alfachem Co.,Ltd.	58
BioBioPha Co., Ltd.	58
ChengDu YiRui Bio-Technology CO., LTD	58

View Lastest Price from 4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-04-22	3',5-Di-O-methyl quercetin 40554-94-7	$117.00-387.00		99.79%	10g	TargetMol Chemicals Inc.

3',5-Di-O-methyl quercetin
40554-94-7
$117.00-387.00
99.79%
TargetMol Chemicals Inc.

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- Spectrum

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-(40554-94-7)¹HNMR

4H-1-Benzopyran-4-one, 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy- 3,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-methoxy-4H-chromen-4-one Quercetin 5,3'-dimethyl ether 3',5 Di O methyl quercetin,3',5DiOmethyl quercetin 3',5-Di-O-methyl quercetin 40554-94-7