5-Methyl-1H-pyrazole-3-carboxylic acid

CAS Registry Number®

402-61-9
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CAS Name

5-Methyl-1H-pyrazole-3-carboxylic acid

Molecular Formula

C5H6N2O2

Molecular Mass

126.11

Cite this Page

5-Methyl-1H-pyrazole-3-carboxylic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=402-61-9 (retrieved 2024-04-27) (CAS RN: 402-61-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    236 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H6N2O2/c1-3-2-4(5(8)9)7-6-3/h2H,1H3,(H,6,7)(H,8,9)

InChIKey

InChIKey=WSMQKESQZFQMFW-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • 1H-Pyrazole-3-carboxylic acid, 5-methyl-
  • Pyrazole-3-carboxylic acid, 5-methyl-
  • Pyrazole-3(or 5)-carboxylic acid, 5(or 3)-methyl-
  • 5-Methyl-1H-pyrazole-3-carboxylic acid
  • U 19425

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Deleted or Replaced CAS Registry Numbers

14192-17-7

CAS INSIGHTSTM
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