moleculefinder

Valproate

C8H16O2144.21 g/mol Calculated

Also called valproic acid, n-DPA, DPA and dipropylacetic acid.

An anticonvulsant used for epilepsy, bipolar disorder and migraine prevention. It carries strict restrictions in pregnancy.

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. Valproate on the product labels we hold.

Medicines

DepakoteAdded 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.

Properties and sources

Calculated by PubChem

Molecular formula
C8H16O2
Molecular weight
144.21 g/mol
XLogP3octanol/water, log units
2.8
Polar surface areatopological
37.3 Ų
H-bond donors
1
H-bond acceptors
2
Rotatable bonds
5
Complexity
93

Measured LD50, HSDB via PubChem

1,098 mg/kg pure valproate, mouse, oral

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

Reported Hazard label (GHS), ECHA via PubChem

Danger Corrosive pictogram (GHS05), Irritant pictogram (GHS07) and Health hazard pictogram (GHS08); hazard statements H302, H315, H318, H319, H335, H360

Reported Licence

The US Food and Drug Administration licenses Valproate for human use (NDA 018723, authorized March 10, 1983), as Depakote. Drugs@FDA

Groups it belongs to

Category
Prescription medicine
Family
Anticonvulsants
Chemical groups
Carboxylic Acids
Hazard classes
Corrosive, Irritant, Health hazard, GHS Danger
SMILESCCCC(CCC)C(=O)O

PubChem CID 3121 · Wikidata Q240642 · InChIKey NIJJYAXOARWZEE-UHFFFAOYSA-N · Data refreshed

How MoleculeFinder sources and labels its data

Questions
What is Valproate?
An anticonvulsant used for epilepsy, bipolar disorder and migraine prevention. It carries strict restrictions in pregnancy.
How toxic is Valproate?
The reported LD50 of Valproate is 1,098 mg/kg (mouse, 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 Corrosive, Irritant and Health hazard. from sourcefrom source
What kind of molecule is Valproate?
Valproate has the formula C8H16O2 and a molecular weight of 144.21 g/mol. MoleculeFinder files it under anticonvulsants, in the prescription medicine group. from sourcefrom sourcefrom sourcefrom source
What else is Valproate called?
Valproate is also called valproic acid, n-DPA, DPA and dipropylacetic acid. from source
Who licenses Valproate as a medicine?
The US Food and Drug Administration licenses Valproate for human use (NDA 018723, authorized March 10, 1983), as Depakote. 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: guinea pig, oral, 824 mg/kg; mouse, another route, 470 mg/kg; mouse, another route, 860 mg/kg. The page shows the one LD50 the site uses everywhere.
  • 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

Sources and notes
  • Similar in shapecomputedRDKit Morgan/TanimotoNeighbours by structural fingerprint; the sentence names the chemical groups the two share.
  • The drawingscomputedPubChem structures, drawn by RDKit