3-Isoxazolecarboxylic acid

CAS Registry Number®

3209-71-0

CAS Name

3-Isoxazolecarboxylic acid

Molecular Formula

C4H3NO3

Molecular Mass

113.07

Cite this Page

3-Isoxazolecarboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3209-71-0 (retrieved 2025-04-03) (CAS RN: 3209-71-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    147 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H3NO3/c6-4(7)3-1-2-8-5-3/h1-2H,(H,6,7)

InChIKey

InChIKey=UXYRXGFUANQKTA-UHFFFAOYSA-N

SMILES

C(O)(=O)C=1C=CON1

Canonical SMILES

O=C(O)C1=NOC=C1

Other Names for this Substance

  • 3-Isoxazolecarboxylic acid
  • 1,2-Oxazole-3-carboxylic acid

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