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Pharmacopeial Impurities (EP / USP / BP)

Valproic Acid EP Impurity B

Reference StandardIn stock

Buy Valproic Acid EP Impurity B (CAS 20225-24-5) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-006057.

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Valproic Acid EP Impurity B chemical structure
CAS number20225-24-5
FormulaC7H14O2
Molar mass130.18 g/mol
Physical formSolid
HS code38229090
Purity95%
InChIKeyBAZMYXGARXYAEQ-UHFFFAOYSA-N
IUPAC name2-ethylpentanoic acid

About Valproic Acid EP Impurity B

Analytical teams working on Valproic Acid use Valproic Acid EP Impurity B as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 20225-24-5, formula C7H14O2 and molar mass 130.18 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Danger: H302 and H314). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Valproic Acid

See every impurity, metabolite and related compound we list for this API.

Valproic Acid standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Valproic Acid EP Impurity B
Product nameValproic Acid EP Impurity B
Catalogue numberZX-006057
CAS number20225-24-5
IUPAC name2-ethylpentanoic acid
Molecular formulaC7H14O2
Molar mass130.18 g/mol
Exact mass130.0994
GradeReference Standard
Purity / assay95%
Physical formSolid
XLogP32.2
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
HS code38229090
InChIKeyBAZMYXGARXYAEQ-UHFFFAOYSA-N
SMILESCCCC(CC)C(=O)O
PubChem CID30020
Synonyms(2RS)-2-Ethylpentanoic Acid, 2-Ethylvaleric acid, 3-Hexanecarboxylic acid, α-Ethylvaleric acid, 2-Ethyl-2-propylacetic acid, 2-EPAA, Pentanoic acid, 2-ethyl-, Ethylpropylacetic acid, 2-ethyl-pentanoic acid, alpha-ethyl valeric acid, Sodium Valproate EP Impurity B, Pentanoicacid,2-ethyl-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage

Precautionary statements P260, P264, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, P363, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Valproic Acid EP Impurity B
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Valproic Acid EP Impurity B

Which CAS number identifies Valproic Acid EP Impurity B?
Valproic Acid EP Impurity B is registered under CAS 20225-24-5. You may also see it listed as (2RS)-2-Ethylpentanoic Acid, 2-Ethylvaleric acid, 3-Hexanecarboxylic acid. Our catalogue number for this item is ZX-006057.
What are the formula and molar mass of Valproic Acid EP Impurity B?
For Valproic Acid EP Impurity B, its formula is C7H14O2 and its molar mass is 130.18 g/mol. The systematic (IUPAC) name is 2-ethylpentanoic acid. InChIKey BAZMYXGARXYAEQ-UHFFFAOYSA-N lets you match it in any structure database.
How is Valproic Acid EP Impurity B used in pharmaceutical QC?
Valproic Acid EP Impurity B is a characterised reference material linked to Valproic Acid. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Valproic Acid EP Impurity B?
This listing is Reference Standard grade with 95% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Valproic Acid EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Valproic Acid EP Impurity B to my country?
Yes. Because Valproic Acid EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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