Chemicals and Drugs

Acetoin

A product of fermentation. It is a component of the butanediol cycle in microorganisms. In mammals it is oxidized to carbon dioxide.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A product of fermentation. It is a component of the butanediol cycle in microorganisms. In mammals it is oxidized to carbon dioxide.

Chemical Identity

Chemical Information

Molecular Formula
C4H8O2
Molecular Weight
88.11 g/mol
CAS Registry No.
513-86-0
IUPAC Name
3-hydroxybutan-2-one
InChIKey
ROWKJAVDOGWPAT-UHFFFAOYSA-N
SMILES
CC(C(=O)C)O
MeSH Unique ID
D000093
Source
PubChem CID 179

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

3 entry terms
  • 3-hydroxy-2-butanone
  • 3H-2B butanone
  • Acetylmethylcarbinol

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

1991(1975)

MeSH Record

Previous Indexing

  • Alcohols, Butyl (1972-1974)
  • Butanones (1970-1974)

MeSH Hierarchy

Tree Number

  1. D02w.522w.296.100w

AMA Style

References

  1. National Library of Medicine. Acetoin. Medical Subject Headings (MeSH). 2026. Unique ID D000093. http://id.nlm.nih.gov/mesh/2026/D000093
  2. Acetoin. In: Wikipedia. https://en.wikipedia.org/wiki/Acetoin
  3. Acetoin. In: Wikidata. https://www.wikidata.org/wiki/Q223083
  4. Acetoin. In: PubChem Compound. CID 179. https://pubchem.ncbi.nlm.nih.gov/compound/179