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Home/Compounds/CAS 5128-44-9
Formula C17H14O5MW 298.29Research-use catalog entryCOA/SDS by request

5-Hydroxy-7,4'-dimethoxyflavone

CAS Number: 5128-44-9

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Available Options

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Loading RDKit molecule structure...
InChIKey: LZERJKGWTQYMBB-UHFFFAOYSA-NC17H14O5 | MW 298.29

Chemical Absolute Identifiers

CAS Number

5128-44-9

PubChem CID

5281601

Molecular Formula

C17H14O5

Molecular Weight

298.29 g/mol

Exact Mass

298.084124

InChIKey

LZERJKGWTQYMBB-UHFFFAOYSA-N

IUPAC Name

5-hydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one

SMILES String

COc1ccc(-c2cc(=O)c3c(O)cc(OC)cc3o2)cc1

Physical Properties

No physical property values available.

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

5-Hydroxy-7,4'-dimethoxyflavone (CAS 5128-44-9) is listed in the Advanced Chemicals portfolio, with molecular formula C17H14O5 and molecular weight 298. 29 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for research building-block and synthetic chemistry workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Heterocyclic Building BlocksSynthetic ChemistryResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

5-Hydroxy-7,4'-dimethoxyflavone

Names & Synonyms

Apigenin 7,4'-dimethyl etherApigenin dimethyletherGenkwanin 4'-methyl ether4',7-Dimethylapigenin5-Hydroxy-4',7-dimethoxyflavone
Show all synonyms
4H-1-Benzopyran-4-one, 5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-5-hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one7,4'-Di-O-methylapigenin4',7-DIMETHOXY-5-HYDROXYFLAVONE5-Hydroxy-7-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-oneApigenin 4',7-dimethyl etherAPIGENIN DIMETHYL ETHERFlavone, 5-hydroxy-4',7-dimethoxy-apigenin-7,4'-dimethylether4,7-dimethoxy-5-hydroxyflavoneAcacetin 7-o-methyl etherDimethoxylapigeninFlavone, 5-hydroxy-4,7-dimethoxy-Flavone,7-dimethoxy-
External Identifiers
EC NUMBER: 225-867-4DSSTOX SUBSTANCE ID: DTXSID50199276CHEMBL ID: CHEMBL350958CHEBI ID: CHEBI:2769UNII: LVC8MF8MWRHMDB ID: HMDB0132454KEGG ID: C10019METABOLOMICS WORKBENCH ID: 24112WIKIDATA ID: Q23050245
Experimental Spectrum References
13C NMR Spectra
Literature & Patent References
DOI 10.1016/j.bmc.2025.118106Research progress of flavonoids targeting estrogen receptor in the treatment of breast cancer.PMID 39938393Research progress of flavonoids targeting estrogen receptor in the treatment of breast cancer.DOI 10.1016/j.bmcl.2020.127606Effect of methoxyflavones contained in Kaempferia parviflora on CRE-mediated transcription in PC12D cells.DOI 10.1016/j.ejmech.2020.112787A comprehensive review of monoamine oxidase inhibitors as Anti-Alzheimer's disease agents: A review.PMID 32942081A comprehensive review of monoamine oxidase inhibitors as Anti-Alzheimer's disease agents: A review.PMID 33038547Effect of methoxyflavones contained in Kaempferia parviflora on CRE-mediated transcription in PC12D cells.DOI 10.1016/j.bmcl.2019.07.048Recent advances in natural antifungal flavonoids and their derivatives.PMID 31427220Recent advances in natural antifungal flavonoids and their derivatives.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

TectochrysinCAS 520-28-5
PectolinarigeninCAS 520-12-7
2-(3,4-Dihydroxyphenyl)-5,7-dimethoxy-4H-1-benzopyran-4-oneCAS 90363-40-9
TricinCAS 520-32-1
RhamnocitrinCAS 569-92-6

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 520-28-5TectochrysinCAS 520-12-7PectolinarigeninCAS 90363-40-92-(3,4-Dihydroxyphenyl)-5,7-dimethoxy-4H-1-benzopyran-4-oneCAS 520-32-1TricinCAS 569-92-6RhamnocitrinCAS 520-36-5ApigeninCAS 1447-88-7HispidulinCAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 5128-44-9

What are the key identifiers for 5-Hydroxy-7,4'-dimethoxyflavone (CAS 5128-44-9)?

5-Hydroxy-7,4'-dimethoxyflavone is identified by CAS 5128-44-9, with molecular formula C17H14O5, molecular weight 298.29, InChIKey LZERJKGWTQYMBB-UHFFFAOYSA-N.

Can I request a COA for CAS 5128-44-9?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for 5-Hydroxy-7,4'-dimethoxyflavone?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 5128-44-9 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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