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Diphemanil Metilsulfate



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Spasmolytic agent

Muscarinic receptor antagonist (anticholinergic, parasympatholytic agent)

Gastric acid secretion inhibitor

Chemical Name

Piperidinium, 4-(diphenylmetylene)-1,1-dimetyl-, metyl sulfate

Foreign Names

  • Diphemanili metilsulfas (Latin)
  • Diphemanil methylsulfat (German)
  • Métilsulfate de Diphémanil (French)
  • Metilsulfato de difemanilo (Spanish)

Generic Names

  • Diphemanil Metilsulfate (OS: BAN)
  • Diphemanil Methylsulfate (IS)
  • Diphemanil Methylsulphate (IS)
  • Vagophemanil (IS)
  • Diphemanil Methylsulfate (PH: USP XXII)

Brand Name

  • Prantal
    Schering-Plough, New Zealand


BANBritish Approved Name
ISInofficial Synonym
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.