Clinical data
ATC code none
Legal status
Legal status
Synonyms Sodium 5-ethyl-5-hexylbarbiturate, Ortol, Hebaral
CAS Number 144-00-3 YesY
PubChem (CID) 8941
ChemSpider 8597 YesY
Chemical and physical data
Formula C12H19N2NaO3
Molar mass 262.281 g/mol
3D model (Jmol) Interactive image

Hexethal (Ortol) is a barbiturate derivative invented in the 1940s. It has sedative, anxiolytic, muscle relaxant, and anticonvulsant properties, and was used primarily as an anaesthetic in veterinary medicine. [1]

Hexethal is considered similar in effects to pentobarbital, with a very fast onset of action but short duration of effects.


  1. Butler, T. C. (1950). "The rate of penetration of barbituric acid derivatives into the brain". The Journal of Pharmacology and Experimental Therapeutics. 100 (2): 219–226. PMID 14784958.

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