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In the US, Chlormezanone is a member of the drug class miscellaneous anxiolytics, sedatives and hypnotics.



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Anxiolytic agent

Hypnotic and sedative agent

Muscle relaxant

Chemical Names

(+-) - Chlormezanone

(+-) - Fenarol

2-(p-Chlorophenyl)tetrahydro-3-metyl-4H-1,3-tiazin-4-one 1,1-dioxide

4H-1,3-tiazin-4-one, 2-(4-chlorophenyl)tetrahydro-3-metyl-, 1,1-dioxide

dl - Chlormezanone

Foreign Names

  • Chlormezanonum (Latin)
  • Chlormezanon (German)
  • Chlormézanone (French)
  • Clormezanona (Spanish)

Generic Names

  • Chlormezanone (OS: JAN, DCIT, BAN)
  • Chlormézanone (OS: DCF)
  • Chlormethazanone (IS)
  • NSC 169108 (IS)
  • Win 4692 (IS)

Brand Names


BANBritish Approved Name
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
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

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