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4-Pyrazolecarboxylic acid

View entire compound with spectra: 3 NMR, 2 FTIR, and 1 MS (GC)

4-Pyrazolecarboxylic acid
SpectraBase Compound ID GOr8Fhuyq2D
InChI InChI=1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)
InChIKey IMBBXSASDSZJSX-UHFFFAOYSA-N
Mol Weight 112.09 g/mol
Molecular Formula C4H4N2O2
Exact Mass 112.027277 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID sl5ddaU4ix
Name 4-Pyrazolecarboxylic acid
Source of Sample Aldrich
Catalog Number 300713
CAS Registry Number 37718-11-9
Classification 5-membered aromatic heterocycles
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Formula C4H4N2O2
InChI InChI=1S/C4H4N2O2/c7-4(8)3-1-5-6-2-3/h1-2H,(H,5,6)(H,7,8)
InChIKey IMBBXSASDSZJSX-UHFFFAOYSA-N
Purity 95%
Solvent Nujol
Source of Spectrum Sigma-Aldrich Co. LLC.
Technique Mull
Wiley ID SIAL_FTIR_1_6137