moleculefinder

Dextroamphetamine

C9H13N135.21 g/mol Calculated

Also called Dexedrine, Dextrostat, dexamphetamine and d-amphetamine.

The right-handed mirror image of amphetamine and the more stimulating half, sold as Dexedrine and used for ADHD and narcolepsy.

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. Dextroamphetamine on the product labels we hold.

Medicines

AdderallAdded by the makerActive ingredient
Dexedrine SpansuleAdded by the makerActive ingredient

Every product and list we hold

Sources and notes
  • The product labels and their strengthsfrom sourceDailyMed (FDA label)Each label lists the molecule as an ingredient, and an active ingredient at the strength shown.
  • How it gets therefrom sourceMoleculeFinder curatedEach mark is set by hand on our lists, never inferred; a label's ingredient is added by the maker. A row with no mark data says Not marked.
  • The line abovefrom sourceMoleculeFinder curatedFrom the group the molecule belongs to.

Explore its structure

Choose a part to light it up.

A nitrogen carrying one or two hydrogens. Its spare pair of electrons can pick up a hydrogen ion, so an amine is a base.

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

Lisdexamfetamine

Dextroamphetamine

Lisdexamfetamine is dextroamphetamine with the amino acid lysine attached, and it does nothing until the blood cuts the lysine off.

Lisdexamfetamine vs Dextroamphetamine, side by side
Sources and notes
  • The sentencefrom sourceMoleculeFinder comparison notesThe pair's answer line.
  • The two drawingscomputedPubChem structures, drawn by RDKitThe two drawings side by side.

Properties and sources

Calculated by PubChem

Molecular formula
C9H13N
Molecular weight
135.21 g/mol
XLogP3octanol/water, log units
1.8
Polar surface areatopological
26 Ų
H-bond donors
1
H-bond acceptors
1
Rotatable bonds
2
Complexity
84

Measured LD50, HSDB via PubChem

38 mg/kg pure dextroamphetamine, rat, oral

An LD50 is an animal study measurement, not a dose for a person.

Reported Hazard label (GHS), ECHA, HSDB via PubChem

Danger Flammable pictogram (GHS02), Corrosive pictogram (GHS05), Toxic pictogram (GHS06) and Health hazard pictogram (GHS08); hazard statements H225, H226, H300, H301, H311, H314, H331, H370

Reported Licence

The US Food and Drug Administration licenses Dextroamphetamine for human use (NDA 017078, authorized August 2, 1976), as Dexedrine Spansule. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Stimulants
Chemical groups
Amines, Aromatics
Elements
Nitrogen
Hazard classes
Flammable, Corrosive, Acutely toxic, Health hazard, GHS Danger
SMILESC[C@@H](CC1=CC=CC=C1)N

PubChem CID 5826 · Wikidata Q1706418 · InChIKey KWTSXDURSIMDCE-QMMMGPOBSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Dextroamphetamine?
The right-handed mirror image of amphetamine and the more stimulating half, sold as Dexedrine and used for ADHD and narcolepsy.
How toxic is Dextroamphetamine?
The reported LD50 of Dextroamphetamine is 38 mg/kg (rat, oral). An LD50 is an animal study measurement, not a dose for a person. Its GHS hazard label carries the signal word Danger and the hazard pictograms Flammable, Corrosive, Toxic and Health hazard. from sourcefrom source
What kind of molecule is Dextroamphetamine?
Dextroamphetamine has the formula C9H13N and a molecular weight of 135.21 g/mol. MoleculeFinder files it under stimulants, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Dextroamphetamine called?
Dextroamphetamine is also called Dexedrine, Dextrostat, dexamphetamine and d-amphetamine. from source
Who licenses Dextroamphetamine as a medicine?
The US Food and Drug Administration licenses Dextroamphetamine for human use (NDA 017078, authorized August 2, 1976), as Dexedrine Spansule. from source
Sources and notes
  • Calculated valuescomputedPubChemComputed from the structure, so no laboratory conditions apply; complexity is PubChem's own structural score.
  • LD50from sourceHSDB via PubChemOther values the sources report: mouse, oral, 40 mg/kg; rat, oral, 96.8 mg/kg; rat, another route, 200 mg/kg. The page shows the one LD50 the site uses everywhere.
  • Hazard labelfrom sourceECHA, HSDB 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

Compared side by side with dextroamphetamineLisdexamfetamineC15H25N3OAlso a stimulantAmphetamineC9H13NAlso a stimulantPhentermineC10H15NBoth carry an amine group.LevomethamphetamineC10H15N
More related molecules
Sources and notes
  • Compared side by sidefrom sourceMoleculeFinder comparison notesA molecule we compare it with on its own page.
  • The same kind of moleculefrom sourceMoleculeFinder curated groupsA structural neighbour in the same family or type group; the line names the group in its own words.
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit