Chemicals and Drugs

Kynurenic Acid

A broad-spectrum excitatory amino acid antagonist used as a research tool.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A broad-spectrum excitatory amino acid antagonist used as a research tool.

Chemical Identity

Chemical Information

Molecular Formula
C10H7NO3
Molecular Weight
189.17 g/mol
CAS Registry No.
492-27-3
IUPAC Name
4-oxo-1H-quinoline-2-carboxylic acid
InChIKey
HCZHHEIFKROPDY-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C(=O)C=C(N2)C(=O)O
MeSH Unique ID
D007736
Source
PubChem CID 3845

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

2 entry terms
  • Acid, Kynurenic
  • Kynurenate

MeSH Record

Aspects Covered

25 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Hierarchy

Tree Numbers

  1. D03w.066.942.505w
  2. D03w.633.100.810.350.400w

AMA Style

References

  1. National Library of Medicine. Kynurenic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D007736. http://id.nlm.nih.gov/mesh/2026/D007736
  2. Kynurenic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Kynurenic_acid
  3. Kynurenic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q642217
  4. Kynurenic Acid. In: PubChem Compound. CID 3845. https://pubchem.ncbi.nlm.nih.gov/compound/3845