Chemicals and Drugs

Acetylcholine

A neurotransmitter found at neuromuscular junctions, autonomic ganglia, parasympathetic effector junctions, a subset of sympathetic effector junctions, and at many sites in the central nervous system.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A neurotransmitter found at neuromuscular junctions, autonomic ganglia, parasympathetic effector junctions, a subset of sympathetic effector junctions, and at many sites in the central nervous system.

Chemical Identity

Chemical Information

Molecular Formula
C7H16NO2+
Molecular Weight
146.21 g/mol
CAS Registry No.
51-84-3
IUPAC Name
2-acetyloxyethyl(trimethyl)azanium
InChIKey
OIPILFWXSMYKGL-UHFFFAOYSA-N
SMILES
CC(=O)OCC[N+](C)(C)C
MeSH Unique ID
D000109
Source
PubChem CID 187

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

23 entry terms
  • 2-(Acetyloxy)-N,N,N-trimethylethanaminium
  • Acetilcolina Cusi
  • Acetylcholine Bromide
  • Acetylcholine Chloride
  • Acetylcholine Fluoride
  • Acetylcholine Hydroxide
  • Acetylcholine Iodide
  • Acetylcholine L-Tartrate
  • Acetylcholine Perchlorate
  • Acetylcholine Picrate
  • Acetylcholine Picrate (1:1)
  • Acetylcholine Sulfate (1:1)
  • Bromoacetylcholine
  • Chloroacetylcholine
  • Miochol
  • Acetylcholine L Tartrate
  • Bromide, Acetylcholine
  • Cusi, Acetilcolina
  • Fluoride, Acetylcholine
  • Hydroxide, Acetylcholine
  • Iodide, Acetylcholine
  • L-Tartrate, Acetylcholine
  • Perchlorate, Acetylcholine

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

1998; for MIOCHOL use ACETYLCHOLINE (NM) 1981-1997; for CHLOROACETYLCHOLINE use ACETYLCHOLINE (NM) 1969-2000; for BROMOACETYLCHOLINE use ACETYLCHOLINE (NM) 1969-2000

MeSH Hierarchy

Tree Number

  1. D02w.092w.211w.111w

MeSH Record

NLM Classification

QV 122

AMA Style

References

  1. National Library of Medicine. Acetylcholine. Medical Subject Headings (MeSH). 2026. Unique ID D000109. http://id.nlm.nih.gov/mesh/2026/D000109
  2. Acetylcholine. In: Wikipedia. https://en.wikipedia.org/wiki/Acetylcholine
  3. Acetylcholine. In: Wikidata. https://www.wikidata.org/wiki/Q180623
  4. Acetylcholine. In: PubChem Compound. CID 187. https://pubchem.ncbi.nlm.nih.gov/compound/187