Chemicals and Drugs

Inosine

A purine nucleoside that has hypoxanthine linked by the N9 nitrogen to the C1 carbon of ribose. It is an intermediate in the degradation of purines and purine nucleosides to uric acid and in pathways of purine salvage. It also occurs in the anticodon of certain transfer RNA molecules. (Dorland, 28th ed)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A purine nucleoside that has hypoxanthine linked by the N9 nitrogen to the C1 carbon of ribose. It is an intermediate in the degradation of purines and purine nucleosides to uric acid and in pathways of purine salvage. It also occurs in the anticodon of certain transfer RNA molecules. (Dorland, 28th ed)

Chemical Identity

Chemical Information

Molecular Formula
C10H12N4O5
Molecular Weight
268.23 g/mol
CAS Registry No.
58-63-9
IUPAC Name
9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one
InChIKey
UGQMRVRMYYASKQ-KQYNXXCUSA-N
SMILES
C1=NC2=C(C(=O)N1)N=CN2[C@H]3[C@@H]([C@@H]([C@H](O3)CO)O)O
MeSH Unique ID
D007288
Source
PubChem CID 135398641

MeSH Record

Classification

Related Concepts

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MeSH Record

Aspects Covered

29 allowable subheadings

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

MeSH Record

History Note

73(71); was see under NUCLEOSIDES 1963-71

MeSH Record

Previous Indexing

  • Nucleosides (1966-1970)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Inosine. Medical Subject Headings (MeSH). 2026. Unique ID D007288. http://id.nlm.nih.gov/mesh/2026/D007288
  2. Inosine. In: Wikipedia. https://en.wikipedia.org/wiki/Inosine
  3. Inosine. In: Wikidata. https://www.wikidata.org/wiki/Q422564
  4. Inosine. In: PubChem Compound. CID 135398641. https://pubchem.ncbi.nlm.nih.gov/compound/135398641