4-Pyridinecarboxylic acid, 2-(1-carboxyethylidene)hydrazide

CAS Registry Number®

1081-50-1
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CAS Name

4-Pyridinecarboxylic acid, 2-(1-carboxyethylidene)hydrazide

Molecular Formula

C9H9N3O3

Molecular Mass

207.19

Cite this Page

4-Pyridinecarboxylic acid, 2-(1-carboxyethylidene)hydrazide.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=1081-50-1 (retrieved 2024-06-26) (CAS RN: 1081-50-1).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    206.5 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H9N3O3/c1-6(9(14)15)11-12-8(13)7-2-4-10-5-3-7/h2-5H,1H3,(H,12,13)(H,14,15)

InChIKey

InChIKey=ZGGPNDKKJIWQJU-UHFFFAOYSA-N

SMILES

C(NN=C(C(O)=O)C)(=O)C=1C=CN=CC1

Canonical SMILES

O=C(O)C(=NNC(=O)C=1C=CN=CC1)C

Other Names for this Substance

  • 4-Pyridinecarboxylic acid, 2-(1-carboxyethylidene)hydrazide
  • Isonicotinic acid, (1-carboxyethylidene)hydrazide
  • 4-Pyridinecarboxylic acid, (1-carboxyethylidene)hydrazide
  • Hydrazine, 1-(1-carboxyethylidene)-2-isonicotinoyl-
  • Pyruvic acid, 2-(isonicotinoylhydrazone)

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Deleted or Replaced CAS Registry Numbers

1081851-95-7