moleculefinder

Sumatriptan

C14H21N3O2S295.4 g/mol Calculated

Also called Sumatran and Sumax.

The first triptan, sold as Imitrex, used to stop a migraine attack once it has begun. Sumatriptan (C14H21N3O2S, 295 g/mol) is a triptan dispensed on prescription.

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. Sumatriptan on the product labels we hold.

Medicines

ImitrexAdded 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 sulfur carrying two oxygens and a nitrogen, written SO2N. It is a polar, sturdy group, the one the sulfa drugs are named for.

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

Sumatriptan

Naratriptan

Sumatriptan acts fast and clears in about 2.5 hours, while naratriptan is slower to start and lasts longer, with a half-life near 6 hours.

Sumatriptan vs Naratriptan, 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
C14H21N3O2S
Molecular weight
295.4 g/mol
XLogP3octanol/water, log units
0.9
Polar surface areatopological
73.6 Ų
H-bond donors
2
H-bond acceptors
4
Rotatable bonds
6
Complexity
405

Reported Hazard label (GHS), ECHA via PubChem

Warning Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H319, H361, H412

Reported Licence

The US Food and Drug Administration licenses Sumatriptan for human use (NDA 020080, authorized December 28, 1992), as Imitrex Statdose. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Chemical groups
Amines, Aromatics
Elements
Nitrogen, Sulfur
Hazard classes
Irritant, Health hazard, GHS Warning
SMILESCNS(=O)(=O)CC1=CC2=C(C=C1)NC=C2CCN(C)C

PubChem CID 5358 · Wikidata Q416978 · InChIKey KQKPFRSPSRPDEB-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Sumatriptan?
The first triptan, sold as Imitrex, used to stop a migraine attack once it has begun. Sumatriptan (C14H21N3O2S, 295 g/mol) is a triptan dispensed on prescription.
How toxic is Sumatriptan?
Its GHS hazard label carries the signal word Warning and the hazard pictograms Irritant and Health hazard. from source
What kind of molecule is Sumatriptan?
Sumatriptan has the formula C14H21N3O2S and a molecular weight of 295.4 g/mol. MoleculeFinder files it under triptan, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Sumatriptan called?
Sumatriptan is also called Sumatran and Sumax. from source
Who licenses Sumatriptan as a medicine?
The US Food and Drug Administration licenses Sumatriptan for human use (NDA 020080, authorized December 28, 1992), as Imitrex Statdose. 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

Compared side by side with sumatriptanNaratriptanC17H25N3O2SBoth carry an aromatic ring.MelatoninC13H16N2O2
Sources and notes
  • Compared side by sidefrom sourceMoleculeFinder comparison notesA molecule we compare it with on its own page.
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit