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

Modify Date: 2026-07-01 23:37:59

4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxy Structure
4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxy structure
Common Name 4H-1-Benzopyran-4-one,2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxy
CAS Number 14549-84-9 Molecular Weight 344.31500
Density 1.45g/cm3 Boiling Point 571.1ºC at 760mmHg
Molecular Formula C18H16O7 Melting Point N/A
MSDS N/A Flash Point 209.7ºC

 Names

Name 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.45g/cm3
Boiling Point 571.1ºC at 760mmHg
Molecular Formula C18H16O7
Molecular Weight 344.31500
Flash Point 209.7ºC
Exact Mass 344.09000
PSA 98.36000
LogP 2.89700
Vapour Pressure 1.21E-13mmHg at 25°C
Index of Refraction 1.653
InChIKey TWMBFWDMMIGYEO-UHFFFAOYSA-N
SMILES COc1ccc(-c2oc3cc(O)cc(O)c3c(=O)c2OC)cc1OC

 Safety Information

HS Code 2914509090

 Synthetic Route

~74%

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

4H-1-Benzopyran...

CAS#:14549-84-9

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Literature: SHENOGEN PHARMA GROUP LTD. Patent: WO2009/129372 A1, 2009 ; Location in patent: Page/Page column 37 ;

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

4H-1-Benzopyran...

CAS#:14549-84-9

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Literature: Daskiewicz, Jean-Baptiste; Depeint, Flore; Viornery, Lionel; Bayet, Christine; Comte-Sarrazin, Geraldine; Comte, Gilles; Gee, Jennifer M.; Johnson, Ian T.; Ndjoko, Karine; Hostettmann, Kurt; Barron, Denis Journal of Medicinal Chemistry, 2005 , vol. 48, # 8 p. 2790 - 2804

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

4H-1-Benzopyran...

CAS#:14549-84-9

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Literature: Lynch et al. Journal of the Chemical Society, 1952 , p. 2063,2067

 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%

 Bioassay

View more

Name: Maximal non-toxic dose (MNTD) that shows antiviral activity.
Source: ChEMBL
Target: Enterovirus C
External Id: CHEMBL768389
Name: In vivo antitumor activity against mouse L1210 cells
Source: ChEMBL
Target: L1210
External Id: CHEMBL999162
Name: Antiproliferative effect against human colonic cell line (HT-29) after 24 hr at a con...
Source: ChEMBL
Target: HT-29
External Id: CHEMBL837838
Name: Caspase 3/7 activity is expressed as ratio of caspase activation in treated human col...
Source: ChEMBL
Target: HT-29
External Id: CHEMBL838049
Name: Minimal dose which produces titer reduction at 10 ug/mL (mD RF10e3)
Source: ChEMBL
Target: Enterovirus C
External Id: CHEMBL766876
Name: Antiproliferative effect against human colonic cell line (HT-29) after 6 hr at a conc...
Source: ChEMBL
Target: HT-29
External Id: CHEMBL837167
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 Synonyms

UNII-429X56Q8K5
quercetin 3,3',4'-tri-O-methyl ether
Quercetin 3,3',4'-trimethyl ether
2-(3,4-Dimethoxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-on
5,3',4'-trimethoxy flavone
5,7-Dihydroxy-3,3',4'-trimethoxyflavone
2-(3,4-dimethoxy-phenyl)-5,7-dihydroxy-3-methoxy-chromen-4-one
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