Chemicals and Drugs

Strychnine

An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An alkaloid found in the seeds of STRYCHNOS NUX-VOMICA. It is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea, and as a rat poison.

Chemical Identity

Chemical Information

Molecular Formula
C21H22N2O2
Molecular Weight
334.4 g/mol
CAS Registry No.
57-24-9
IUPAC Name
(4aR,5aS,8aR,13aS,15aS,15bR)-4a,5,5a,7,8,13a,15,15a,15b,16-decahydro-2H-4,6-methanoindolo[3,2,1-ij]oxepino[2,3,4-de]pyrrolo[2,3-h]quinolin-14-one
InChIKey
QMGVPVSNSZLJIA-FVWCLLPLSA-N
SMILES
C1CN2CC3=CCO[C@H]4CC(=O)N5[C@H]6[C@H]4[C@H]3C[C@H]2[C@@]61C7=CC=CC=C75
MeSH Unique ID
D013331
Source
PubChem CID 441071

MeSH Record

Classification

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

2 entry terms
  • Strychnine Nitrate
  • Nitrate, Strychnine

MeSH Record

Aspects Covered

28 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, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

NUX VOMICA was heading 1963-78

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Strychnine. Medical Subject Headings (MeSH). 2026. Unique ID D013331. http://id.nlm.nih.gov/mesh/2026/D013331
  2. Strychnine. In: Wikipedia. https://en.wikipedia.org/wiki/Strychnine
  3. Strychnine. In: Wikidata. https://www.wikidata.org/wiki/Q194406
  4. Strychnine. In: PubChem Compound. CID 441071. https://pubchem.ncbi.nlm.nih.gov/compound/441071