3,7-Di-O-methylquercetin

Modify Date: 2025-08-27 14:05:36

3,7-Di-O-methylquercetin Structure
3,7-Di-O-methylquercetin structure
Common Name 3,7-Di-O-methylquercetin
CAS Number 2068-02-2 Molecular Weight 330.289
Density 1.6±0.1 g/cm3 Boiling Point 631.5±55.0 °C at 760 mmHg
Molecular Formula C17H14O7 Melting Point 241-242℃
MSDS N/A Flash Point 236.8±25.0 °C

 Use of 3,7-Di-O-methylquercetin


Quercetin 3,7-dimethyl ether, isolated from Croton schiedeanus Schlecht,has a NO/cGMP pathway-related profile, with increased vasorelaxant activity[1].

 Names

Name 3',4',5-trihydroxy-3,7-dimethoxyflavone
Synonym More Synonyms

 3,7-Di-O-methylquercetin Biological Activity

Description Quercetin 3,7-dimethyl ether, isolated from Croton schiedeanus Schlecht,has a NO/cGMP pathway-related profile, with increased vasorelaxant activity[1].
Related Catalog
References

[1]. M F Guerrero, et al. Quercetin 3,7-dimethyl Ether: A Vasorelaxant Flavonoid Isolated From Croton Schiedeanus Schlecht. J Pharm Pharmacol. 2002 Oct;54(10):1373-8.

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 631.5±55.0 °C at 760 mmHg
Melting Point 241-242℃
Molecular Formula C17H14O7
Molecular Weight 330.289
Flash Point 236.8±25.0 °C
Exact Mass 330.073944
PSA 109.36000
LogP 2.59
Vapour Pressure 0.0±1.9 mmHg at 25°C
Index of Refraction 1.701
InChIKey LUJAXSNNYBCFEE-UHFFFAOYSA-N
SMILES COc1cc(O)c2c(=O)c(OC)c(-c3ccc(O)c(O)c3)oc2c1

 Safety Information

HS Code 2914509090

 Synthetic Route

~91%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Literature: Shi, Zhi-Hao; Li, Nian-Guang; Tang, Yu-Ping; Wei-Li; Lian-Yin; Yang, Jian-Ping; Hao-Tang; Duan, Jin-Ao European Journal of Medicinal Chemistry, 2012 , vol. 54, p. 210 - 222

~99%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Literature: Lemiere; Lepoivre; De Groot; Dommisse; De Bruyne; Vlietinck; Vanden Berghe; Boers, Frank Pharmazie, 1998 , vol. 53, # 8 p. 512 - 517

~13%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Detail
Literature: Matsuda, Hisashi; Morikawa, Toshio; Toguchida, Iwao; Yoshikawa, Masayuki Chemical and Pharmaceutical Bulletin, 2002 , vol. 50, # 6 p. 788 - 795

~12%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Detail
Literature: Matsuda, Hisashi; Morikawa, Toshio; Toguchida, Iwao; Yoshikawa, Masayuki Chemical and Pharmaceutical Bulletin, 2002 , vol. 50, # 6 p. 788 - 795

~%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Literature: Jain et al. Journal of Scientific and Industrial Research, 1953 , vol. 12B, p. 127,129, 130

~%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Literature: Shimizu; Ohta Yakugaku Zasshi, 1951 , vol. 71, p. 879,881 Chem.Abstr., 1952 , p. 4004

~%

3,7-Di-O-methylquercetin Structure

3,7-Di-O-methyl...

CAS#:2068-02-2

Detail
Literature: Bouktaib, Mohamed; Lebrun, Stephane; Atmani, Aziz; Rolando, Christian Tetrahedron, 2002 , vol. 58, # 50 p. 10001 - 10009
Detail
Literature: Shimizu; Ohta Yakugaku Zasshi, 1951 , vol. 71, p. 879,881 Chem.Abstr., 1952 , p. 4004

 Customs

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%

 Synonyms

2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxychromen-4-one
3,7-dimethoxy-3',4',5-trihydroxyflavone
3,7-Di-O-methylquercetin
4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-
3',4',5-trihydroxy-3,7-dimethoxy-flavone
3,7-O-dimethylquercetin
3,7-dimethoxy-5,3',4'-trihydroxyflavone
3',4',5-Trihydroxy-3,7-dimethoxyflavone
Flavone, 3',4',5-trihydroxy-3,7-dimethoxy-
2-(3,4-Dihydroxyphenyl)-5-hydroxy-3,7-dimethoxy-4H-chromen-4-one
Quercetin-3,7-dimethylether
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