Topiramate
Also called Topamax and TPM.
An anticonvulsant sold as Topamax, used for epilepsy and for migraine prevention. Topiramate (C12H21NO8S, 339 g/mol) is an anticonvulsant 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. Topiramate on the product labels we hold.
Medicines
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.
One carbon bonded to two oxygens, each joined in turn to another carbon. It is the kind of link that joins sugars together: it stands up to bases, and acid splits it.
From: standard chemistry.
Rings joined where they share atoms, or a single ring standing alone. Atoms in a ring are held in place, so this part keeps its shape while chains around it can bend.
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
- C12H21NO8S
- Molecular weight
- 339.36 g/mol
- XLogP3octanol/water, log units
- −0.8
- Polar surface areatopological
- 124 Ų
- H-bond donors
- 1
- H-bond acceptors
- 9
- Rotatable bonds
- 3
- Complexity
- 556
Reported Hazard label (GHS), ECHA via PubChem
Warning Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H315, H319, H335, H361
Reported Licence
The US Food and Drug Administration licenses Topiramate for human use (NDA 020505, authorized December 24, 1996). Drugs@FDA
Groups it belongs to
- Category
- Prescription medicine
- Family
- Anticonvulsants
- Hazard classes
- Irritant, Health hazard, GHS Warning
CC1(O[C@@H]2CO[C@@]3([C@H]([C@@H]2O1)OC(O3)(C)C)COS(=O)(=O)N)CPubChem CID 5284627 · Wikidata Q221174 · InChIKey KJADKKWYZYXHBB-XBWDGYHZSA-N · Data refreshed
Questions
- What is Topiramate?
- An anticonvulsant sold as Topamax, used for epilepsy and for migraine prevention. Topiramate (C12H21NO8S, 339 g/mol) is an anticonvulsant dispensed on prescription.
- How toxic is Topiramate?
- Its GHS hazard label carries the signal word Warning and the hazard pictograms Irritant and Health hazard. from source
- What kind of molecule is Topiramate?
- Topiramate has the formula C12H21NO8S and a molecular weight of 339.36 g/mol. MoleculeFinder files it under anticonvulsants, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
- What else is Topiramate called?
- Topiramate is also called TPM and Topamax. from source
- Who licenses Topiramate as a medicine?
- The US Food and Drug Administration licenses Topiramate for human use (NDA 020505, authorized December 24, 1996). 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