MolGraph
CompoundsDocumentationComplianceAbout
MolGraph

Research chemical sourcing and molecular building block RFQ workflows.

MolGraph is operated by Tessorix Inc.

support@molgraph.com

Products are intended for laboratory research use only and are not for human or veterinary use.

Compounds

  • Compound catalog
  • CAS Search

Company

  • About
  • Contact

Documentation

  • Quality Documentation
  • SDS Disclaimer

Compliance

  • Compliance

Legal

  • Terms
  • Privacy

Copyright © 2026 MolGraph. All Rights Reserved.

Home/Compounds/CAS 529-40-8
Formula C17H14O7MW 330.29Research-use catalog entryCOA/SDS by request

Ombuin

CAS Number: 529-40-8

Sourcing & RFQ

Submit an RFQ to review pricing, availability, lead time, pack size, purity, COA, and supplier SDS for this catalog entry.

Available options

Available Options

Package
1 mg
Purity
98%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
10 mg
Purity
98%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
25 mg
Purity
98%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required
Package
5 mg
Purity
98%
Price
Request review
Availability
Shipping review required
Delivery
Shipping review required

Shipping review is required before pricing or stock can be confirmed publicly. Shipping, duties, and documentation fees are confirmed before order acceptance.

Loading RDKit molecule structure...
InChIKey: BWORNNDZQGOKBY-UHFFFAOYSA-NC17H14O7 | MW 330.29

Chemical Absolute Identifiers

CAS Number

529-40-8

PubChem CID

5320287

Molecular Formula

C17H14O7

Molecular Weight

330.29 g/mol

Exact Mass

330.073953

InChIKey

BWORNNDZQGOKBY-UHFFFAOYSA-N

IUPAC Name

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

SMILES String

COc1cc(O)c2c(=O)c(O)c(-c3ccc(OC)c(O)c3)oc2c1

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

Ombuin (CAS 529-40-8) is listed in the Advanced Chemicals portfolio, with molecular formula C17H14O7 and molecular weight 330. 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
Biological target reference

ChEMBL reports experimental activity evidence for: Thrombin (Oryctolagus cuniculus) — 4 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.

Thrombin

Oryctolagus cuniculus · SINGLE PROTEIN · 4 qualifying assays · 1 documents

Experimental evidence source: ChEMBL

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

For supplier-issued SDS or COA, submit a documentation request.

Safety Reference / SDS Request

Names & Synonyms / External Identifiers

Chemical Name

Ombuin

Names & Synonyms

4',7-Dimethoxy-3,3',5-trihydroxyflavone7,4'-Di-O-methylquercetin4',7-Dimethylquercetinquercetin 7,4'-dimethyl etherQuercetin 4',7-dimethyl ether
Show all synonyms
3,5,3'-Trihydroxy-7,4'-dimethoxyflavone4H-1-Benzopyran-4-one, 3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-1-benzopyran-4-oneOMBUINE3,5-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-methoxy-4H-chromen-4-oneFLAVONE, 4',7-DIMETHOXY-3,3',5-TRIHYDROXY-3,5-Dihydroxy-2-(3-hydroxy-4-methoxy-phenyl)-7-methoxy-chromen-4-one7,4'-dimethylquercetin4'',7-dimethylquercetinquercetin-7,4'-dimethyletherkaempferol-7,4'-dimethyletherquercetin-7,4''-dimethyl etherDI-O-METHYLQUERCETIN, 7,4'-5-18-05-00498 (Beilstein Handbook Reference)
External Identifiers
DSSTOX SUBSTANCE ID: DTXSID00200942CHEMBL ID: CHEMBL75589CHEBI ID: CHEBI:67493UNII: Z3K3F0YR3WMETABOLOMICS WORKBENCH ID: 25735WIKIDATA ID: Q7089950
Experimental Spectrum References
13C NMR Spectra
Literature & Patent References
DOI 10.1016/j.bmc.2014.04.053Synthesized quercetin derivatives stimulate melanogenesis in B16 melanoma cells by influencing the expression of melanin biosynthesis proteins MITF and p38 MAPK.DOI 10.1016/j.bmcl.2014.08.006Synthesis, biological evaluation and SAR analysis of O-alkylated analogs of quercetin for anticancer.DOI 10.1021/np400778mIdentification of chromomoric acid C-I as an Nrf2 activator in Chromolaena odorata.PMID 24476568Identification of chromomoric acid C-I as an Nrf2 activator in Chromolaena odorata.PMID 24853321Synthesized quercetin derivatives stimulate melanogenesis in B16 melanoma cells by influencing the expression of melanin biosynthesis proteins MITF and p38 MAPK.PMID 25139569Synthesis, biological evaluation and SAR analysis of O-alkylated analogs of quercetin for anticancer.DOI 10.1007/s00044-011-9570-z3D-QSAR studies of natural flavonoid compounds as reverse transcriptase inhibitorsDOI 10.1007/s00044-011-9767-1Exploring QSAR of antiamoebic agents of isolated natural products by MLR, ANN, and RTO

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

Show non-linked catalog cues

Non-public related references

RhamnocitrinCAS 569-92-6
Quercetin 5,7,3',4'-tetramethyl etherCAS 1244-78-6
5-Hydroxy-7,4'-dimethoxyflavoneCAS 5128-44-9
3',4'-DimethoxyflavonolCAS 6889-80-1
2-(3,4-Dihydroxyphenyl)-5,7-dimethoxy-4H-1-benzopyran-4-oneCAS 90363-40-9

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 569-92-6RhamnocitrinCAS 1244-78-6Quercetin 5,7,3',4'-tetramethyl etherCAS 5128-44-95-Hydroxy-7,4'-dimethoxyflavoneCAS 6889-80-13',4'-DimethoxyflavonolCAS 90363-40-92-(3,4-Dihydroxyphenyl)-5,7-dimethoxy-4H-1-benzopyran-4-oneCAS 548-83-4GalanginCAS 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 acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylate

RFQ questions for CAS 529-40-8

What are the key identifiers for Ombuin (CAS 529-40-8)?

Ombuin is identified by CAS 529-40-8, with molecular formula C17H14O7, molecular weight 330.29, InChIKey BWORNNDZQGOKBY-UHFFFAOYSA-N.

Does CAS 529-40-8 have reported biological target evidence?

ChEMBL contains qualifying experimental assay evidence associated with Thrombin. These records do not establish therapeutic efficacy or clinical use.

Can I request a COA for CAS 529-40-8?

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

Can I request supplier SDS for Ombuin?

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

Is CAS 529-40-8 available for quotation?

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

Can MolGraph support bulk sourcing or custom synthesis review?

Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.