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



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Antiemetic agent

Chemical Names

(2S,3S)-N-(5-tert-butyl-2-metoxybenzyl)-2-(diphenylmetyl)-1-azabicyclo[2.2.2]octan-3-amine (WHO)

(2S,3S)-N-[5-(1,1-Dimetyletyl)-2-metoxybenzyl]-2-(diphenylmetyl)-1-azabicyclo-[2.2.2]octan-3-amin (IUPAC)

Foreign Names

  • Maropitantum (Latin)
  • Maropitant (German)
  • Maropitant (French)
  • Maropitant (Spanish)

Generic Names

Brand Names

  • Cerenia D for dogs (veterinary use)
    Pfizer, Poland
  • Cerenia (veterinary use)
    Zoetis, Switzerland; Zoetis, Germany; Zoetis, United States; Zoetis, South Africa; Zoetis Belgium, Belgium
  • Cerenia D for dogs (veterinary use)
    Orion Pharma Animal Health, Sweden; Pfizer, Israel; Pfizer Animal Health, Netherlands; Zoetis, Finland; Zoetis, France; Zoetis, United Kingdom; Zoetis, Italy; Zoetis, New Zealand; Zoetis Australia, Australia; Zoetis Belgium, Austria; Zoetis Finland Oy, Norway
  • Cerenia for Dogs (veterinary use)
    Zoetis, New Zealand
  • Cerenia for Dogs and Cats (veterinary use)
    Zoetis, New Zealand


IUPACInternational Union of Pure and Applied Chemistry
ISInofficial Synonym
OSOfficial Synonym
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name
WHOWorld 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.