moleculefinder

Scopolamine

C17H21NO4303.35 g/mol Calculated

Also called hyoscine, levo-duboisine, epoxytropine tropate and scopine tropate.

A nightshade alkaloid used against motion sickness, as a small patch worn behind the ear. In 1979 it became the first medicine the FDA approved as a skin patch.

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
  • 3D modelfrom sourcePubChem 3D conformerLoaded after the page has painted, and on a phone only when you ask for it; the 2D drawing shows until it arrives.

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.

Compare a related molecule

Hyoscine butylbromide

Scopolamine

A butyl group added on the nitrogen, which then carries a positive charge.

Hyoscine butylbromide is scopolamine with a charged nitrogen, so it stays in the gut and relaxes its muscle, while scopolamine reaches the brain.

Hyoscine butylbromide vs Scopolamine, side by side
Sources and notes
  • The sentencefrom sourceMoleculeFinder comparison notesThe pair's answer line.
  • The two drawingscomputedPubChem structures, drawn by RDKitDrawn the same way round; the amber marks where the two differ.
  • The captionfrom sourceMoleculeFinder curated

Properties and sources

Calculated by PubChem

Molecular formula
C17H21NO4
Molecular weight
303.35 g/mol
XLogP3octanol/water, log units
0.9
Polar surface areatopological
62.3 Ų
H-bond donors
1
H-bond acceptors
5
Rotatable bonds
5
Complexity
418

Reported Licence

The US Food and Drug Administration licenses Scopolamine for human use (NDA 017874, authorized December 31, 1979), as Transderm Scop. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Plant alkaloids
Chemical groups
Alcohols, Aromatics, Esters, Ethers
Elements
Nitrogen
SMILESCN1[C@@H]2CC(C[C@H]1C3C2O3)OC(=O)[C@H](CO)C4=CC=CC=C4

PubChem CID 153311 · Wikidata Q337188 · InChIKey STECJAGHUSJQJN-MKXJHAPZSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Scopolamine?
A nightshade alkaloid used against motion sickness, as a small patch worn behind the ear. In 1979 it became the first medicine the FDA approved as a skin patch.
What kind of molecule is Scopolamine?
Scopolamine has the formula C17H21NO4 and a molecular weight of 303.35 g/mol. MoleculeFinder files it under plant alkaloids, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Scopolamine called?
Scopolamine is also called hyoscine, levo-duboisine, epoxytropine tropate and scopine tropate. from source
Who licenses Scopolamine as a medicine?
The US Food and Drug Administration licenses Scopolamine for human use (NDA 017874, authorized December 31, 1979), as Transderm Scop. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • Licencefrom sourceDrugs@FDARead 2026-10-21.
  • Data refreshedfrom sourceMoleculeFinder2026-11-09

Keep exploring

A butyl group added on the nitrogen, which then carries a positive charge.Hyoscine butylbromideC21H30BrNO4Both carry an alcohol and an ester group.Ipratropium bromideC20H30BrNO3
Sources and notes
  • A group apartfrom sourceMoleculeFinder comparison captions
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit