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Butropium Bromide



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Antispasmodic agent

Muscarinic receptor antagonist (anticholinergic, parasympatholytic agent)

Chemical Name

8-Azoniabicyclo[3.2.1]octane, 8-[(4-butoxyphenyl)methyl]-3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-, bromide, [3(S)-endo]-

Foreign Names

  • Butropii Bromidum (Latin)
  • Butropium bromid (German)
  • Bromure de Butropium (French)
  • Bromuro de butropio (Spanish)

Generic Names

Brand Names

  • Butropan
    Taiyo Pharmaceutical, Japan
  • Coliopan
    Eisai, Japan; Eisai, Malaysia; Eisai, Taiwan

International Drug Name Search


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

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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.