Chemicals and Drugs

Iohexol

An effective non-ionic, water-soluble contrast agent which is used in myelography, arthrography, nephroangiography, arteriography, and other radiographic procedures. Its low systemic toxicity is the combined result of low chemotoxicity and low osmolality.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An effective non-ionic, water-soluble contrast agent which is used in myelography, arthrography, nephroangiography, arteriography, and other radiographic procedures. Its low systemic toxicity is the combined result of low chemotoxicity and low osmolality.

Chemical Identity

Chemical Information

Molecular Formula
C19H26I3N3O9
Molecular Weight
821.1 g/mol
CAS Registry No.
66108-95-0
IUPAC Name
5-[acetyl(2,3-dihydroxypropyl)amino]-1-N,3-N-bis(2,3-dihydroxypropyl)-2,4,6-triiodobenzene-1,3-dicarboxamide
InChIKey
NTHXOOBQLCIOLC-UHFFFAOYSA-N
SMILES
CC(=O)N(CC(CO)O)C1=C(C(=C(C(=C1I)C(=O)NCC(CO)O)I)C(=O)NCC(CO)O)I
MeSH Unique ID
D007472
Source
PubChem CID 3730

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

5 entry terms
  • Iohexol 350
  • Compound 545
  • Exypaque
  • Nycodenz
  • Omnipaque

MeSH Record

Aspects Covered

19 allowable subheadings

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

MeSH Record

History Note

87

MeSH Record

Previous Indexing

  • Triiodobenzoic Acids (1972-1986)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Iohexol. Medical Subject Headings (MeSH). 2026. Unique ID D007472. http://id.nlm.nih.gov/mesh/2026/D007472
  2. Iohexol. In: Wikipedia. https://en.wikipedia.org/wiki/Iohexol
  3. Iohexol. In: Wikidata. https://www.wikidata.org/wiki/Q410683
  4. Iohexol. In: PubChem Compound. CID 3730. https://pubchem.ncbi.nlm.nih.gov/compound/3730