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Home/Compounds/CAS 497-23-4
Formula C4H4O2MW 84.07Research-use catalog entryCOA/SDS by request

2(5H)-Furanone

CAS Number: 497-23-4

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Loading RDKit molecule structure...
InChIKey: VIHAEDVKXSOUAT-UHFFFAOYSA-NC4H4O2 | MW 84.07

Chemical Absolute Identifiers

CAS Number

497-23-4

PubChem CID

10341

Molecular Formula

C4H4O2

Molecular Weight

84.07 g/mol

Exact Mass

84.021129

InChIKey

VIHAEDVKXSOUAT-UHFFFAOYSA-N

IUPAC Name

2H-furan-5-one

SMILES String

C1C=CC(=O)O1

Physical Properties

Melting Point

4–5 °C

Show more physical data

Refractive Index

1.466–1.469

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

Catalog Facts

Structural features

2(5H)-Furanone (CAS 497-23-4) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C4H4O2 and molecular weight 84. 07 g/mol.

Sourcing context

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

Research use context

Intended for research-stage medicinal chemistry and intermediate synthesis workflows.

Documentation needs

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

Applications & Classification

Pharmaceutical Intermediate ResearchResearch intermediateCustom synthesis building blockPharmaceutical intermediate researchResearch 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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Names & Synonyms / External Identifiers

Chemical Name

2(5H)-Furanone

Names & Synonyms

Furan-2(5H)-oneIsocrotonolactone2-Butenolide2-Oxo-2,5-dihydrofuran2,5-dihydrofuran-2-one
Show all synonyms
4-Hydroxy-2-butenoic acid lactonegamma-Crotolactonealpha,beta-Crotonolactonedelta,alpha,beta-Butenolidegamma-Hydroxycrotonic acid lactone2-Butenoic acid gamma-lactone2-Butenoic acid-gamma-lactone2,5-Dihydrofuranone4-Hydroxycrotonic acid gamma-lactoneCCRIS 57222-Butenoic acid, 4-hydroxy-, gamma-lactoneCRATONE4-Hydroxy-2-butenoic acid gamma-lactoneHSDB 8151
External Identifiers
EC NUMBER: 207-839-3DSSTOX SUBSTANCE ID: DTXSID7075422CHEMBL ID: CHEMBL166223CHEBI ID: CHEBI:38118UNII: 8KXK25H388HMDB ID: HMDB0032330KEGG ID: C17601METABOLOMICS WORKBENCH ID: 45434WIKIDATA ID: Q4596886
Experimental Spectrum References
13C NMR Spectra1D NMR Spectra1H NMR SpectraATR-IR Spectra — Bio-Rad Laboratories, Inc.FTIR SpectraNear IR Spectra — Prof. Buback, University of Goettingen, GermanyRaman Spectra — Bio-Rad Laboratories, Inc.Vapor Phase IR Spectra
Literature & Patent References
DOI 10.1016/j.bmcl.2011.11.0185- and 6-membered (thio)lactones are prodrug type carbonic anhydrase inhibitors.DOI 10.1584/jpestics.D11-014Synthesis and insecticidal activity of new phosphoramidatesPMID 221373455- and 6-membered (thio)lactones are prodrug type carbonic anhydrase inhibitors.DOI 10.1021/jm00400a001Analogues of gamma-hydroxybutyric acid. Synthesis and binding studies.PMID 3361576Analogues of gamma-hydroxybutyric acid. Synthesis and binding studies.

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

4-Hydroxy-3-phenylfuran-2(5H)-oneCAS 23782-85-6

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 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-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 497-23-4

What are the key identifiers for 2(5H)-Furanone (CAS 497-23-4)?

2(5H)-Furanone is identified by CAS 497-23-4, with molecular formula C4H4O2, molecular weight 84.07, InChIKey VIHAEDVKXSOUAT-UHFFFAOYSA-N.

Can I request a COA for CAS 497-23-4?

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

Can I request supplier SDS for 2(5H)-Furanone?

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

Is CAS 497-23-4 available for quotation?

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

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