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Home/Compounds/CAS 500348-26-5
Formula C6H7NO4MW 157.12Research-use catalog entryCOA/SDS by request

Ethyl 5-hydroxy-1,2-oxazole-4-carboxylate

CAS Number: 500348-26-5

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Loading RDKit molecule structure...
InChIKey: VRYNOAFUGQRIQV-UHFFFAOYSA-NC6H7NO4 | MW 157.12

Chemical Absolute Identifiers

CAS Number

500348-26-5

PubChem CID

239539

Molecular Formula

C6H7NO4

Molecular Weight

157.12 g/mol

Exact Mass

157.037508

InChIKey

VRYNOAFUGQRIQV-UHFFFAOYSA-N

IUPAC Name

ethyl 5-oxo-2H-1,2-oxazole-4-carboxylate

SMILES String

CCOC(=O)C1=CNOC1=O

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

Ethyl 5-hydroxy-1,2-oxazole-4-carboxylate (CAS 500348-26-5) is listed in the Advanced Chemicals portfolio, with molecular formula C6H7NO4 and molecular weight 157. 12 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; structure-derived tags include nitrogen-containing heterocycle.

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

Handling & Storage

  • Including any incompatibility.
  • Close tightly.
  • Store in a well-ventilated area.

PPE

Respiratory protection if needed

First Aid

  • Do not give anything to an unconscious person.
  • Rinse mouth with water.

Stability / Reactivity

  • Reactivity and reaction.
  • Carbon monoxide, carbon dioxide, nitrogen oxides.

Disposal

  • The remaining and non-recyclable solutions should be handed over to a licensed company for disposal.
  • Contact a professional institution with a waste disposal license to handle this substance.
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Fire Fighting

  • Wear self-contained breathing apparatus if necessary.

Accidental Release

  • Do not generate dust when collecting and disposing.
  • Sweep and shovel up.

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

Ethyl 5-hydroxy-1,2-oxazole-4-carboxylate

Names & Synonyms

Ethyl 5-Hydroxy-4-isoxazolecarboxylateEthyl 5-oxo-2,5-dihydroisoxazole-4-carboxylateEthyl 5-Hydroxyisoxazole-4-carboxylate4-Isoxazolecarboxylic acid, 2,5-dihydro-5-oxo-, ethyl ester5-Hydroxy-4-isoxazolecarboxylic acidethylester
Show all synonyms
4-Isoxazolecarboxylic acid, 5-hydroxy-, ethyl ester (9CI)ethyl 5-oxo-2,5-dihydro-1,2-oxazole-4-carboxylate5-Hydroxyisoxazole-4-carboxylic acid ethyl esterethyl 5-oxo-2H-isoxazole-4-carboxylateEthyl5-oxo-2,5-dihydroisoxazole-4-carboxylate4-Isoxazolecarboxylic acid, 5-hydroxy-, ethyl ester1,2(1,5)-Isoxazole, IOA85-Oxo-2,5-dihydro-isoxazole-4-carboxylic acid ethyl ester
External Identifiers
EC NUMBER: 871-572-4DSSTOX SUBSTANCE ID: DTXSID50286312WIKIDATA ID: Q82022004
Literature & Patent References
DOI 10.1074/jbc.M402433200DOI 10.1074/jbc.M402433200PMID 15117937PMID 15117937

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

Ethyl 5-amino-1,2-oxazole-4-carboxylateCAS 34859-64-8
Ethyl 5-methylisoxazole-3-carboxylateCAS 3209-72-1
Ethyl 1,2-oxazole-4-carboxylateCAS 80370-40-7
Ethyl 1,2-oxazole-3-carboxylateCAS 3209-70-9
Ethyl 4-methylisoxazole-3-carboxylateCAS 38061-69-7

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 34859-64-8Ethyl 5-amino-1,2-oxazole-4-carboxylateCAS 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 500348-26-5

What are the key identifiers for Ethyl 5-hydroxy-1,2-oxazole-4-carboxylate (CAS 500348-26-5)?

Ethyl 5-hydroxy-1,2-oxazole-4-carboxylate is identified by CAS 500348-26-5, with molecular formula C6H7NO4, molecular weight 157.12, InChIKey VRYNOAFUGQRIQV-UHFFFAOYSA-N.

Can I request a COA for CAS 500348-26-5?

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

Can I request supplier SDS for Ethyl 5-hydroxy-1,2-oxazole-4-carboxylate?

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

Is CAS 500348-26-5 available for quotation?

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

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