moleculefinder

Ipratropium bromide

C20H30BrNO3412.4 g/mol Calculated

Also called Atrovent and ipratropii bromidum.

An inhaled airway medicine sold as Atrovent, used for COPD and asthma. It is a synthetic relative of atropine from deadly nightshade.

Sources and notes
  • The introductionfrom sourceMoleculeFinder curated
  • Other namesfrom sourceWikidataIts English label and aliases on Wikidata.
  • Formula and weightcomputedPubChem
  • 2D drawingcomputedPubChem structure, drawn by RDKit

Where you encounter it

Dispensed on prescription, not sold on a shelf.

Sources and notes
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Explore its structure

Choose a part to light it up.

A C=O joined through an oxygen to another carbon, the link an acid and an alcohol make when they combine. Water can split it back into the two.

From: standard chemistry.

Sources and notes
  • The drawingcomputedPubChem structure, drawn by RDKitThe page's one shipped drawing, with the chosen part lit in amber under it.
  • The partscomputedFound by ruleEach part is found by a chemical pattern, never picked by hand atom by atom; its words say where they come from.

Properties and sources

Calculated by PubChem

Molecular formula
C20H30BrNO3
Molecular weight
412.4 g/mol
Polar surface areatopological
46.5 Ų
H-bond donors
1
H-bond acceptors
4
Rotatable bonds
6
Complexity
430

Reported Hazard label (GHS), ECHA via PubChem

Warning Irritant pictogram (GHS07); hazard statements H302

Reported Licence

The US Food and Drug Administration licenses Ipratropium bromide for human use (NDA 021527, authorized November 17, 2004), as Atrovent HFA. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Airway medicines
Chemical groups
Alcohols, Aromatics, Esters, Halogenated
Elements
Bromine, Nitrogen
Hazard classes
Irritant, GHS Warning
SMILESCC(C)[N+]1([C@@H]2CC[C@H]1CC(C2)OC(=O)C(CO)C3=CC=CC=C3)C.[Br-]

PubChem CID 657308 · Wikidata Q424294 · InChIKey LHLMOSXCXGLMMN-CLTUNHJMSA-M · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Ipratropium bromide?
An inhaled airway medicine sold as Atrovent, used for COPD and asthma. It is a synthetic relative of atropine from deadly nightshade.
How toxic is Ipratropium bromide?
Its GHS hazard label carries the signal word Warning and the hazard pictogram Irritant. from source
What kind of molecule is Ipratropium bromide?
Ipratropium bromide has the formula C20H30BrNO3 and a molecular weight of 412.4 g/mol. MoleculeFinder files it under airway medicines, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Ipratropium bromide called?
Ipratropium bromide is also called ipratropii bromidum. from source
Who licenses Ipratropium bromide as a medicine?
The US Food and Drug Administration licenses Ipratropium bromide for human use (NDA 021527, authorized November 17, 2004), as Atrovent HFA. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • Hazard labelfrom sourceECHA via PubChemThe label combines these classifications.
  • ECHAfrom sourceAttributionSource: European Chemicals Agency, echa.europa.eu.
  • Licencefrom sourceDrugs@FDARead 2026-10-21.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09

Keep exploring

Sources and notes
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit