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Home/Compounds/API/Homatropine hydrobromide
C16H22BrNO3
356.25 g/mol
API

HOMATROPINE HYDROBROMIDE

CAS51-56-9EC200-105-3
Category
API
Compound Class
Ester
Primary Use
Pharmaceutical Raw Material

Homatropine hydrobromide is an anticholinergic pharmaceutical ingredient that acts as an antagonist at muscarinic acetylcholine receptors. It is used in eye drops as a cycloplegic and mydriatic agent.

ophthalmic cycloplegic agentmydriatic agent in eye drops

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

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CAS51-60-5

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Referencesame scaffold

Atropine sulfate

CAS55-48-1

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Atropine sulfate hydrate

CAS5908-99-6

pharmaceutical raw material

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(−)-hyoscyamine sulfate dihydrate

CAS6835-16-1

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Hyoscyamine

CAS101-31-5

pharmaceutical raw material

Customs Tariff Classification

The international HS code for HOMATROPINE HYDROBROMIDE (CAS 51-56-9) is 2939.79.

HS code (international, 6-digit)

2939.79

EU CN code (8-digit)

2939 79 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

[(1S,5R)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl] 2-hydroxy-2-phenylacetate;hydrobromide

InChIKey

DWSGTFTVBLXELC-MOTQWOLNSA-N

SMILES

CN1[C@@H]2CC[C@H]1CC(C2)OC(=O)C(C3=CC=CC=C3)O.Br

Synonyms (24)
  • Homatropine hydrobromide (JP17/USP)
  • HOMATROPINE HYDROBROMIDE
  • Homatropine (bromhydrate d')
  • Homatropine dl- hydrobromide
  • Homatropini hydrobromidum
  • Homatropinum hydrobromicum
  • Isopto Homatropine
  • Isopto Homatropine (TN)
  • homatropine bromide

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