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Thiopental Sodium

In some countries, this medicine may only be approved for veterinary use.

UK matches:



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Anesthetic, injectable

Chemical Name

4,6(1H,5H)-Pyrimidinedione, 5-etyldihydro-5-(1-metylbutyl)-2-tioxo-, monosodium salt

Foreign Names

  • Thiopentalum natricum (Latin)
  • Thiopental natrium (German)
  • Thiopental sodique (French)
  • Tiopental sodico (Spanish)

Generic Names

  • Thiopental Sodium (OS: JAN, BANM)
  • Tiopental sodico (OS: DCIT)
  • Bitaryl (IS)
  • Natrium aethyl-methylbutylthiobarbituricum (IS)
  • Omexolon (IS)
  • Penthiobarbital sodium (IS)
  • Thiobarbital sodium (IS)
  • Thiomebumalum (IS)
  • Thiopentone sodium (IS)
  • Thiopental et carbonate sodiques (PH: Ph. Eur. 8)
  • Thiopental Sodium (PH: BP 2016, JP XVI, Ph. Int. 4, USP 38)
  • Thiopental sodium and sodium carbonate (PH: Ph. Eur. 8)
  • Thiopentalum natricum (PH: Ph. Int. 4)
  • Thiopentalum natricum et natrii carbonas (PH: Ph. Eur. 8)

Brand Names


BANMBritish Approved Name (Modified)
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.