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ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories

Muscarinic receptor antagonist (anticholinergic, parasympatholytic agent)

Mydriatic agent

Chemical Names

endo-(±)-α-Hydroxybenzeneacetic acid 8-metyl-8-azabicylo[3.2.1]oct-3-yl ester

(1R,3r,5S)-Tropan-3-yl (RS)-mandelate (BAN)

Foreign Names

  • Homatropinum (Latin)
  • Homatropin (German)
  • Homatropine (French)
  • Homatropina (Spanish)

Generic Names

  • Homatropine (OS: BAN, DCF)
  • 5-21-01-00234 (IS: Beilstein)
  • BRN 0087959 (IS)
  • Mandelyltropeine (IS)
  • Tropine mandelate (IS)
  • Homatropine Hydrobromide (OS: BANM, JAN)
  • UNII-BEW7469QZ0 (IS)
  • Homatropine (bromhydrate d') (PH: Ph. Eur. 8)
  • Homatropine hydrobromide (PH: Ph. Eur. 8)
  • Homatropine Hydrobromide (PH: BP 2016, JP XVI, Ph. Int. 4, USP 38)
  • Homatropinhydrobromid (PH: Ph. Eur. 8)
  • Homatropini hydrobromidum (PH: Ph. Eur. 8, Ph. Int. 4)
  • Homatropine Methylbromide (OS: BANM)
  • Homatropine, méthylbromure d' (OS: DCF)
  • Omatropina metilbromuro (OS: DCIT)
  • 8-Methyltropinium bromide mandelate (IS)
  • Methylhomatropinium bromatum (IS)
  • UNII-68JRS2HC1C (IS)
  • Homatropine (méthylbromure d') (PH: Ph. Eur. 8)
  • Homatropine methylbromide (PH: Ph. Eur. 8)
  • Homatropine Methylbromide (PH: BP 2016, Ph. Int. 4, USP 38)
  • Homatropini methylbromidum (PH: Ph. Eur. 8, Ph. Int. 4)
  • Homatropinmethylbromid (PH: Ph. Eur. 8)

Brand Names


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
DCITDenominazione Comune Italiana
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name

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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