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ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Muscle relaxant

Chemical Name

2H-1,4-Benzodiazepin-2-one, 7-chloro-5-(1-cyclohexen-1-yl)-1,3-dihydro-1-metyl-

Foreign Names

  • Tetrazepamum (Latin)
  • Tetrazepam (German)
  • Tétrazépam (French)
  • Tetrazepam (Spanish)

Generic Names

  • Tetrazepam (OS: BAN)
  • Tétrazépam (OS: DCF)
  • CB 4261 (IS)
  • Tetrazepam (PH: BP 2018, Ph. Eur. 9)
  • Tétrazépam (PH: Ph. Eur. 9)
  • Tetrazepamum (PH: Ph. Eur. 9)

Brand Names

  • Megaflex
    Biogaran, Paraguay
  • Miolastan
    Sanofi-Aventis, Mexico
  • Myolastan
    Sanofi-Aventis, Egypt; Sanofi-Aventis, Lebanon; Sanofi-Aventis, Lithuania; Sanofi-Aventis, Paraguay
  • Myozepam
    Dar-Essaydali, Tunisia
  • Tetraratio
    ratiopharm, Poland


BANBritish Approved Name
DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Prop.INNProposed 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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