Chemicals and Drugs

Barbital

A long-acting barbiturate that depresses most metabolic processes at high doses. It is used as a hypnotic and sedative and may induce dependence. Barbital is also used in veterinary practice for central nervous system depression.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A long-acting barbiturate that depresses most metabolic processes at high doses. It is used as a hypnotic and sedative and may induce dependence. Barbital is also used in veterinary practice for central nervous system depression.

Chemical Identity

Chemical Information

Molecular Formula
C8H12N2O3
Molecular Weight
184.19 g/mol
CAS Registry No.
57-44-3
IUPAC Name
5,5-diethyl-1,3-diazinane-2,4,6-trione
InChIKey
FTOAOBMCPZCFFF-UHFFFAOYSA-N
SMILES
CCC1(C(=O)NC(=O)NC1=O)CC
MeSH Unique ID
D001462
Source
PubChem CID 2294

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

7 entry terms
  • Barbitone
  • Diethylmalonylurea
  • Ethylbarbital
  • Diemal
  • Dormileno
  • Medinal
  • Veronal

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

91(76); was see under BARBITURATES 1976-90

MeSH Record

Previous Indexing

  • Barbiturates (1968-1975)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Barbital. Medical Subject Headings (MeSH). 2026. Unique ID D001462. http://id.nlm.nih.gov/mesh/2026/D001462
  2. Barbital. In: Wikipedia. https://en.wikipedia.org/wiki/Barbital
  3. Barbital. In: Wikidata. https://www.wikidata.org/wiki/Q412409
  4. Barbital. In: PubChem Compound. CID 2294. https://pubchem.ncbi.nlm.nih.gov/compound/2294