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CNS & Psychiatric APIsIP/BP/USPAvailable on request

Valproic Acid

Synonyms: 2-Propylvaleric acid · Dipropylacetic acid · Depakene · Depakine

CAS No.99-66-1
FormulaC8H16O2
Mol. weight144.21
Catalogue No.VQ-004070
PurityIP/BP/USP
HSN—

Valproic Acid (CAS 99-66-1) – central nervous system API, IP/BP/USP grade. C8H16O2, MW 144.21. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
1 kg
5 kg
25 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Valproic Acid

Valproic Acid is a central nervous system API in IP/BP/USP grade carrying the CAS registry number 99-66-1. Formula C8H16O2, molecular weight 144.21 g/mol. The IUPAC name is 2-propylpentanoic acid. Alternative names: 2-Propylvaleric acid and Dipropylacetic acid.

It is supplied as a powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

This API belongs to our CNS and psychiatric APIs portfolio and is supplied to IP/BP/USP specifications for formulators, contract manufacturers and generic drug developers. It is used across pharmaceutical manufacturing.

Available in 1 kg, 5 kg and 25 kg packs, Valproic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

  • Pharmaceutical formulation
  • Generic drug development

Industries

Related to Valproic Acid

View every impurity, metabolite and intermediate we list for Valproic Acid.

Valproic Acid impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameValproic Acid
Catalogue No.VQ-004070
CAS Number99-66-1
IUPAC name2-propylpentanoic acid
Molecular formulaC8H16O2
Molecular weight144.21 g/mol
Exact mass144.115
GradeIP/BP/USP
InChIKeyNIJJYAXOARWZEE-UHFFFAOYSA-N
SMILESCCCC(CCC)C(=O)O
PubChem CID3121
Physical properties
Physical formPowder
LogP (XLogP3)2.8
H-bond donors / acceptors1 / 2
TPSA37.3 Ų
Synonyms2-Propylvaleric acid, Dipropylacetic acid, Depakene, Depakine, Mylproin, Di-n-propylacetic acid, Propylvaleric acid, n-Dipropylacetic acid, 4-Heptanecarboxylic acid, Myproic Acid, n-DPA, Acido valproico

Safety & hazard information (GHS)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H360May damage fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P317, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Other grades of CAS 99-66-1

Reference Standard
Valproic Acid chemical structure
Valproic Acid
CAS
99-66-1
Formula
C8H16O2
MW
144.21 g/mol
In stock

Frequently asked questions

What is the CAS number of Valproic Acid?

The CAS Registry Number of Valproic Acid is 99-66-1. It is also known as 2-Propylvaleric acid, Dipropylacetic acid, Depakene.

What is the molecular formula and molecular weight of Valproic Acid?

Valproic Acid has the molecular formula C8H16O2 and a molecular weight of 144.21 g/mol. Its IUPAC name is 2-propylpentanoic acid.

What is Valproic Acid used for?

Valproic Acid is supplied as a characterised reference material related to Valproic Acid. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Valproic Acid can I order?

We supply Valproic Acid in IP/BP/USP grade, in 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Valproic Acid?

Yes. Every lot of Valproic Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Valproic Acid be shipped internationally?

Yes. Valproic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Valproic Acid

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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Related products

Reference Standard
Valproic Acid chemical structure
Valproic Acid
CAS
99-66-1
Formula
C8H16O2
MW
144.21 g/mol
In stock
Reference Standard
N-Propyl Ester
N-Propyl Ester
Formula
C14H26O4
MW
258.35 g/mol
In stock

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