Chemicals and Drugs

Metrizoic Acid

A diagnostic radiopaque that usually occurs as the sodium salt.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A diagnostic radiopaque that usually occurs as the sodium salt.

Chemical Identity

Chemical Information

Molecular Formula
C12H11I3N2O4
Molecular Weight
627.94 g/mol
CAS Registry No.
1949-45-7
IUPAC Name
3-acetamido-5-[acetyl(methyl)amino]-2,4,6-triiodobenzoic acid
InChIKey
GGGDNPWHMNJRFN-UHFFFAOYSA-N
SMILES
CC(=O)NC1=C(C(=C(C(=C1I)C(=O)O)I)N(C)C(=O)C)I
MeSH Unique ID
D008794
Source
PubChem CID 2528

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

5 entry terms
  • Benzoic acid, 3-(acetylamino)-5-(acetylmethylamino)-2,4,6-triiodo-
  • Isopaque
  • Metrizoate
  • Metrizoate Sodium
  • Triosil

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

2018(1975)

MeSH Record

Previous Indexing

  • Diatrizoate (1972-1974)
  • Salts (1972-1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Metrizoic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D008794. http://id.nlm.nih.gov/mesh/2026/D008794
  2. Metrizoic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Metrizoic_acid
  3. Metrizoic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q6824400
  4. Metrizoic Acid. In: PubChem Compound. CID 2528. https://pubchem.ncbi.nlm.nih.gov/compound/2528