moleculefinder

Gabapentin

C9H17NO2171.24 g/mol Calculated

Also called Neurontin and Aclonium.

An anticonvulsant, sold as Neurontin, used for seizures and for nerve pain. Its structure is a ring-bulked relative of the brain's own GABA.

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. Gabapentin on the product labels we hold.

Medicines

NeurontinAdded 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 carbon carrying both a C=O and an O-H, written COOH. In water it gives up that hydrogen, which is what makes the molecule an acid.

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

Gabapentin

Pregabalin

Gabapentin and pregabalin bind the same calcium channel subunit, but pregabalin is absorbed predictably and gabapentin less so as the amount rises.

Gabapentin vs Pregabalin, side by side

Also compared

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
C9H17NO2
Molecular weight
171.24 g/mol
XLogP3octanol/water, log units
−1.1
Polar surface areatopological
63.3 Ų
H-bond donors
2
H-bond acceptors
3
Rotatable bonds
3
Complexity
162

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

Danger Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H315, H319, H335, H360

Reported Licence

The US Food and Drug Administration licenses Gabapentin for human use (NDA 020235, authorized December 30, 1993). Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Anticonvulsants
Chemical groups
Carboxylic Acids, Amines
Elements
Nitrogen
Hazard classes
Irritant, Health hazard, GHS Danger
SMILESC1CCC(CC1)(CC(=O)O)CN

PubChem CID 3446 · Wikidata Q410352 · InChIKey UGJMXCAKCUNAIE-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Gabapentin?
An anticonvulsant, sold as Neurontin, used for seizures and for nerve pain. Its structure is a ring-bulked relative of the brain's own GABA.
How toxic is Gabapentin?
Its GHS hazard label carries the signal word Danger and the hazard pictograms Irritant and Health hazard. from source
What kind of molecule is Gabapentin?
Gabapentin has the formula C9H17NO2 and a molecular weight of 171.24 g/mol. MoleculeFinder files it under anticonvulsants, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Gabapentin called?
Gabapentin is also called Aclonium and Neurontin. from source
Who licenses Gabapentin as a medicine?
The US Food and Drug Administration licenses Gabapentin for human use (NDA 020235, authorized December 30, 1993). 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, 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

Sources and notes
  • Compared side by sidefrom sourceMoleculeFinder comparison notesA molecule we compare it with on its own page.
  • The drawingscomputedPubChem structures, drawn by RDKit