5-Methyl-3-isoxazolecarboxylic acid

CAS Registry Number®

3405-77-4

CAS Name

5-Methyl-3-isoxazolecarboxylic acid

Molecular Formula

C5H5NO3

Molecular Mass

127.10

Cite this Page

5-Methyl-3-isoxazolecarboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3405-77-4 (retrieved 2024-11-21) (CAS RN: 3405-77-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    176-177 °C (decomp)
  • Density (2)

    1.502 g/cm³ @ Press: 750 Torr

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H5NO3/c1-3-2-4(5(7)8)6-9-3/h2H,1H3,(H,7,8)

InChIKey

InChIKey=BNMPIJWVMVNSRD-UHFFFAOYSA-N

SMILES

C(O)(=O)C=1C=C(C)ON1

Canonical SMILES

O=C(O)C1=NOC(=C1)C

Other Names for this Substance

  • 3-Isoxazolecarboxylic acid, 5-methyl-
  • 5-Methyl-3-isoxazolecarboxylic acid
  • 3-Carboxy-5-methylisoxazole
  • 5-Methyl-1,2-oxazole-3-carboxylic acid