Valproate (VPA), also known valproic acid, sodium valproate, and divalproex sodium, is a medication primarily used to treat epilepsy and bipolar disorder and to prevent migraine headaches.[2] It is useful for the prevention of seizures in those with absence seizures, partial seizures, and generalized seizures. It can be given intravenously or by mouth. Long acting formulations exist.[2]

Starting at
| 2-propylpentanoic acid | 
| Trade names | Convulex, Depakote, Epilim, Stavzor, Vilapro | 
| AHFS/Drugs.com | monograph | 
| MedlinePlus | a682412 | 
| Licence data | US FDA:link | 
| Pregnancy category  | 
AU : D US : X (Contraindicated) – for control of conditions other than severe epilepsy not amenable to other drugs  | 
| Legal status | 
AU : S4 (Prescription only) CA : ℞-only UK : POM (Prescription only) US : ℞-only  | 
| Routes of administration  | 
Oral, intravenous | 
| Bioavailability | Rapid absorption | 
| Protein binding | 80-90%[1] | 
| Metabolism | Hepatic—glucuronide conjugation 30–50%, mitochondrial β-oxidation over 40% | 
| Biological half-life | 9–16 hours[1] | 
| Excretion | Urine (30-50%)[1] | 
| CAS Number | 99-66-1 | 
| ATC code | N03AG01 | 
| PubChem | CID: 3121 | 
| DrugBank | DB00313 | 
| ChemSpider | 3009 | 
| UNII | 614OI1Z5WI | 
| KEGG | D00399 | 
| ChEBI | CHEBI:39867 | 
| ChEMBL | CHEMBL109 | 
| NIAID ChemDB | 057177 | 
| Synonyms | 2-Propylvaleric acid | 
| Chemical data | |
|---|---|
| Formula | C8H16O2 | 
| Molecular mass | 144.211 g/mol | 
| SMILES[show] | |
| InChI[show] | |
			
        
    
			
        
    
			
        
    
			
        
    
                            
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