Chemicals and Drugs

Nicotine

Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic cholinergic receptors where it dramatically stimulates neurons and ultimately blocks synaptic transmission. Nicotine is also important medically because of its presence in tobacco smoke.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic cholinergic receptors where it dramatically stimulates neurons and ultimately blocks synaptic transmission. Nicotine is also important medically because of its presence in tobacco smoke.

Chemical Identity

Chemical Information

Molecular Formula
C10H14N2
Molecular Weight
162.23 g/mol
CAS Registry No.
54-11-5
IUPAC Name
3-[(2S)-1-methylpyrrolidin-2-yl]pyridine
InChIKey
SNICXCGAKADSCV-JTQLQIEISA-N
SMILES
CN1CCC[C@H]1C2=CN=CC=C2
MeSH Unique ID
D009538
Source
PubChem CID 89594

MeSH Record

Classification

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

2 entry terms
  • Nicotine Bitartrate
  • Nicotine Tartrate

MeSH Record

Aspects Covered

27 allowable subheadings

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

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

QV 137

AMA Style

References

  1. National Library of Medicine. Nicotine. Medical Subject Headings (MeSH). 2026. Unique ID D009538. http://id.nlm.nih.gov/mesh/2026/D009538
  2. Nicotine. In: Wikipedia. https://en.wikipedia.org/wiki/Nicotine
  3. Nicotine. In: Wikidata. https://www.wikidata.org/wiki/Q28086552
  4. Nicotine. In: PubChem Compound. CID 89594. https://pubchem.ncbi.nlm.nih.gov/compound/89594