Skip to Content

Oxapium Iodide



CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Spasmolytic agent

Chemical Name

Piperidinium, 1-[(2-cyclohexyl-2-phenyl-1,3-dioxolan-4-yl)metyl]-1-metyl-, iodide

Foreign Names

  • Oxapii Iodidum (Latin)
  • Oxapium iodid (German)
  • Iodure d'Oxapium (French)
  • Ioduro de oxapio (Spanish)

Generic Names

  • Oxapium Iodide (OS: JAN)
  • Cyclonium iodid (IS)
  • SH 100 (IS)
  • Oxapium Iodide (PH: JP XVI)

Brand Names

  • Esperan
    Toyama Kagaku, Japan; Toyama Kagaku, Taiwan


ISInofficial Synonym
JANJapanese Accepted Name
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.