3-O-Methylquercetin

Modify Date: 2025-08-25 00:38:19

3-O-Methylquercetin structure	Common Name	3-O-Methylquercetin
	CAS Number	1486-70-0	Molecular Weight	316.262
	Density	1.7±0.1 g/cm3	Boiling Point	643.0±55.0 °C at 760 mmHg
	Molecular Formula	C₁₆H₁₂O₇	Melting Point	N/A
	MSDS	USA	Flash Point	244.7±25.0 °C
	Symbol	GHS06	Signal Word	Danger

Use of 3-O-Methylquercetin

3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values of 31.9 μM， 86.9 μM， 18.6 μM and 1.6 μM for PDE1, PDE5, PDE2 and PDE4, respectively[1].

Name	3',4',5,7-tetrahydroxy-3-methoxyflavone
Synonym	More Synonyms

Description	3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values of 31.9 μM， 86.9 μM， 18.6 μM and 1.6 μM for PDE1, PDE5, PDE2 and PDE4, respectively[1].
Related Catalog	Signaling Pathways >> Metabolic Enzyme/Protease >> Phosphodiesterase (PDE) Research Areas >> Inflammation/Immunology
References	[1]. Wun-Chang Ko, et al. 3-O-methylquercetin More Selectively Inhibits Phosphodiesterase Subtype 3. Planta Med. 2003 Apr;69(4):310-5.

Density	1.7±0.1 g/cm3
Boiling Point	643.0±55.0 °C at 760 mmHg
Molecular Formula	C₁₆H₁₂O₇
Molecular Weight	316.262
Flash Point	244.7±25.0 °C
Exact Mass	316.058289
PSA	120.36000
LogP	2.02
Vapour Pressure	0.0±2.0 mmHg at 25°C
Index of Refraction	1.762

3-O-Methylquercetin MSDS(Chinese)

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Precautionary Statements	P301 + P310
Hazard Codes	T
Risk Phrases	25
Safety Phrases	45
RIDADR	UN 2811 6.1 / PGIII
HS Code	2914509090

Precursor 8
CAS#:1486-57-3 2-(3,4-bis(benz... CAS#:55317-02-7 2-methoxy-1-(2,... CAS#:108-73-6 Phloroglucinol CAS#:5447-02-9 3,4-dibenzyloxy...
CAS#:1570-05-4 3,4-BIS(BENZYLO... CAS#:1486-54-0 3,4-bis(phenylm... CAS#:183067-65-4 2-(3,4-bis(benz... CAS#:153-18-4 Rutin
DownStream 4
CAS#:1486-69-7 3-O-Methylquerc... CAS#:33429-83-3 Quercetin 3,4'-... CAS#:2068-02-2 3,7-Di-O-methyl... CAS#:572-32-7 Ayanin

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%

Antiherpes Activity and Skin/Mucosa Distribution of Flavonoids from Achyrocline satureioides Extract Incorporated into Topical Nanoemulsions.

Biomed Res. Int. 2015 , 238010, (2015)

This study investigated the inhibitory effects of Achyrocline satureioides extract (ASE) incorporated into a topical nanoemulsion on Herpes Simplex Virus type 1 (HSV-1/KOS strain) replication, as well...

Biologically active constituents of Centipeda minima: isolation of a new plenolin ester and the antiallergy activity of sesquiterpene lactones.

Chem. Pharm. Bull. 33(9) , 4091-4, (1985)

Isolation of flavonoids and a chalcone from Helichrysum odoratissimum and synthesis of helichrysetin.

J. Nat. Prod. 52(3) , 629-33, (1989)

3,5-Dihydroxy-6,7,8-trimethoxyflavone, 3-O-methylquercetin, and helichrysetin were isolated from the flowers of the Rwandese medicinal plant, Helichrysum odoratissimum. Because of inconsistencies of t...

2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-methoxy-4H-chromen-4-one

3-methoxy-5,7,3',4'-tetrahydroxy-flavone

2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-methoxy-4H-1-benzopyran-4-one

3-O-Methylquercetin

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

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-O-Methylquercetin
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

BioBioPha
China
Product Name: 3-O-Methylquercetin
Price: ￥1300.0/5mg
Purity: 98.0%
Delivery: 10 Day
Contact: Xueping-Zheng
Email: 1477035482@qq.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3-O-Methylquercetin
Price: ￥3680.0/5mg
Purity: 98.0%
Delivery: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: 3-O-Methylquercetin
Price: $Inquiry/250mg $Inquiry/100mg $Inquiry/1g
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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

Get all suppliers and price by the below link:

3-O-Methylquercetin suppliers

3-O-Methylquercetin price

3-O-Methylquercetin

Use of 3-O-Methylquercetin

Names

3-O-Methylquercetin Biological Activity

Chemical & Physical Properties

MSDS

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Articles8

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.