Chemicals and Drugs

Isoniazid

Antibacterial agent used primarily as a tuberculostatic. It remains the treatment of choice for tuberculosis.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Antibacterial agent used primarily as a tuberculostatic. It remains the treatment of choice for tuberculosis.

Chemical Identity

Chemical Information

Molecular Formula
C6H7N3O
Molecular Weight
137.14 g/mol
CAS Registry No.
54-85-3
IUPAC Name
pyridine-4-carbohydrazide
InChIKey
QRXWMOHMRWLFEY-UHFFFAOYSA-N
SMILES
C1=CN=CC=C1C(=O)NN
MeSH Unique ID
D007538
Source
PubChem CID 3767

MeSH Record

Classification

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

10 entry terms
  • Isonicotinic Acid Hydrazide
  • Hydrazide, Isonicotinic Acid
  • Ftivazide
  • Isonex
  • Isonicotinic Acid Vanillylidenehydrazide
  • Phthivazid
  • Phthivazide
  • Tubazide
  • Acid Vanillylidenehydrazide, Isonicotinic
  • Vanillylidenehydrazide, Isonicotinic Acid

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 Record

History Note

/adv eff-pois-tox was ISONIAZID TOXICOLOGY 1963-65

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QV 268

AMA Style

References

  1. National Library of Medicine. Isoniazid. Medical Subject Headings (MeSH). 2026. Unique ID D007538. http://id.nlm.nih.gov/mesh/2026/D007538
  2. Isoniazid. In: Wikipedia. https://en.wikipedia.org/wiki/Isoniazid
  3. Isoniazid. In: Wikidata. https://www.wikidata.org/wiki/Q423169
  4. Isoniazid. In: PubChem Compound. CID 3767. https://pubchem.ncbi.nlm.nih.gov/compound/3767