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Butropium Bromide



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Spasmolytic agent

Muscarinic receptor antagonist (anticholinergic, parasympatholytic agent)

Chemical Name

8-(p-butoxybenzyl)-3α-hydroxy-1αH,5αH-tropanium bromide (-)-tropate (WHO)

Foreign Names

  • Butropii Bromidum (Latin)
  • Butropium bromid (German)
  • Butropium, bromure de (French)
  • Butropio, bromuro de (Spanish)

Generic Names

  • Butropium (bromure de) (OS: DCF)
  • Butropium Bromide (OS: JAN)
  • BHB (IS)
  • E 344 (IS: E Number)
  • UNII-R3K4503MV7 (IS)
  • Butropium Bromide (PH: JP XVI)

Brand Names

  • Coliopan
    Eisai, Japan; Eisai, Malaysia; Eisai, Taiwan
  • Coliopan 2%
    Tanabe Mitsubishi Pharma, Japan


DCFDénomination Commune Française
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
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.

Further information

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