4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone

Modify Date: 2026-07-27 10:33:23

4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone Structure
4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone structure
Common Name 4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone
CAS Number 83133-17-9 Molecular Weight 374.341
Density 1.4±0.1 g/cm3 Boiling Point 610.4±55.0 °C at 760 mmHg
Molecular Formula C19H18O8 Melting Point N/A
MSDS N/A Flash Point 220.6±25.0 °C

 Names

Name 5-Hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-4H-chro men-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 610.4±55.0 °C at 760 mmHg
Molecular Formula C19H18O8
Molecular Weight 374.341
Flash Point 220.6±25.0 °C
Exact Mass 374.100159
PSA 107.59000
LogP 1.26
Vapour Pressure 0.0±1.8 mmHg at 25°C
Index of Refraction 1.613
InChIKey XEHLDSAKZSXOFK-UHFFFAOYSA-N
SMILES COc1cc(-c2cc(=O)c3c(O)c(OC)c(OC)cc3o2)cc(OC)c1O

 Safety Information

Hazard Codes Xi
HS Code 2932999099

 Synthetic Route

~%

4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone Structure

4',5-Dihydroxy-...

CAS#:83133-17-9

Learn More
Literature: Iinuma, Munekazu; Tanaka, Toshiyuki; Matsuura, Shin Chemical & Pharmaceutical Bulletin, 1984 , vol. 32, # 6 p. 2296 - 2300

~%

4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone Structure

4',5-Dihydroxy-...

CAS#:83133-17-9

Learn More
Literature: Iinuma, Munekazu; Tanaka, Toshiyuki; Matsuura, Shin Chemical & Pharmaceutical Bulletin, 1984 , vol. 32, # 6 p. 2296 - 2300

~%

4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone Structure

4',5-Dihydroxy-...

CAS#:83133-17-9

Learn More
Literature: Iinuma, Munekazu; Tanaka, Toshiyuki; Matsuura, Shin Chemical & Pharmaceutical Bulletin, 1984 , vol. 32, # 6 p. 2296 - 2300

~%

4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone Structure

4',5-Dihydroxy-...

CAS#:83133-17-9

Learn More
Literature: Bhardwaj, D. K.; Chand, Gyan; Jain, R. K.; Munjal, Anita Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 9 p. 932 - 933

~%

4',5-Dihydroxy-3',5',6,7-tetramethoxyflavone Structure

4',5-Dihydroxy-...

CAS#:83133-17-9

Learn More
Literature: Bhardwaj, D. K.; Chand, Gyan; Jain, R. K.; Munjal, Anita Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1983 , vol. 22, # 9 p. 932 - 933

 Customs

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Bioassay

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Name: Primary cell-based high-throughput screening assay for identification of compounds th...
Source: Johns Hopkins Ion Channel Center
Target: regulator of G-protein signaling 4 isoform 2 [Homo sapiens]
External Id: JHICC_RGS_Act_HTS
Name: Luminescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: mu-type opioid receptor isoform MOR-1 [Homo sapiens]
External Id: OPRM1-OPRD1_AG_LUMI_1536_1X%ACT PRUN
Name: QFRET-based biochemical primary high throughput screening assay to identify exosite i...
Source: The Scripps Research Institute Molecular Screening Center
Target: disintegrin and metalloproteinase domain-containing protein 17 preproprotein [Homo sapiens]
External Id: ADAM17_INH_QFRET_1536_1X%INH PRUN
Name: Fluorescence-based cell-based primary high throughput screening assay to identify ago...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_AG_FLUO8_1536_1X%ACT PRUN
Name: uHTS identification of small molecule activators of the adaptive arm of the Unfolded ...
Source: Burnham Center for Chemical Genomics
Target: N/A
External Id: BCCG-A405-UPR-XBP1-PrimaryAgonist-Assay
Name: HTS to identify inhibitors of Caspase inhibitor (zVAD) Induced Cell Death in L929 Cel...
Source: University of Pittsburgh Molecular Library Screening Center
Target: N/A
External Id: HTS to identify inhibitors of Caspase Inhibitor (zVAD) Induced Cell Death in L929 Cells: Confirmation Assays, MH81266
Name: High throughput fluorescence intensity-based biochemical assay to screen for small mo...
Source: University of Pittsburgh Molecular Library Screening Center
Target: furin (paired basic amino acid cleaving enzyme), isoform CRA_a [Homo sapiens]
External Id: MH080376 Biochemical HTS for Inhibitors of the Proprotein Convertase Furin.
Name: Fluorescence polarization to screen for inhibitor that competite the binding of FadD2...
Source: Broad Institute
Target: FATTY-ACID-CoA LIGASE FADD28 (FATTY-ACID-CoA SYNTHETASE)
External Id: 2147-01_Inhibitor_SinglePoint_HTS_Activity
Name: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfect...
Source: Broad Institute
Target: N/A
External Id: Bursicon-induced LGR2 mediated cAMP production in LGR-2/CRE6x-Luciferase co-transfected HEK293 cells Inhibition - 7011-01_Antagonist_SinglePoint_HTS_Activity
Name: Fluorescence-based cell-based primary high throughput screening assay to identify pos...
Source: The Scripps Research Institute Molecular Screening Center
Target: muscarinic acetylcholine receptor M1 [Homo sapiens]
External Id: CHRM1_PAM_FLUO8_1536_1X%ACT PRUN
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 Synonyms

5-Hydroxy-2-(4-hydroxy-3,5-dimethoxyphenyl)-6,7-dimethoxy-4H-chromen-4-one
4',5-dihydroxyoxy-3',5',6,7-tetramethoxyflavone
5,4'-dihydroxy-3,3',7-trimethoxyflavone
quercetin 3,3',7-trimethyl ether
4',5-Dihydroxy-3,3',7-trimethoxyflavone
5,4'-dihydroxy-6,7,3',5'-tetramethoxyflavone
5,4'-dihydroxy-3,7,3'-trimethoxyflavone
Pachypodol
5,4'-dihydroxy-6,7,3',5'-teramethoxyflavone
Quercetin 3,7,3'-trimethyl ether
4',5-dihydroxy-3',5',6,7-tetramethoxyflavone
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