4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid

CAS Registry Number®

71173-77-8

CAS Name

4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid

Molecular Formula

C4H4N2O3

Molecular Mass

128.09

Cite this Page

4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=71173-77-8 (retrieved 2024-11-21) (CAS RN: 71173-77-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    >250 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H4N2O3/c7-3-1-2(4(8)9)5-6-3/h1H2,(H,6,7)(H,8,9)

InChIKey

InChIKey=YKJJEZSCAQDLOD-UHFFFAOYSA-N

SMILES

C(O)(=O)C=1CC(=O)NN1

Canonical SMILES

O=C(O)C1=NNC(=O)C1

Other Names for this Substance

  • 1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-
  • 2-Pyrazoline-3-carboxylic acid, 5-oxo-
  • 4,5-Dihydro-5-oxo-1H-pyrazole-3-carboxylic acid

CAS INSIGHTSTM
Targeted protein degrader structure, illustration