Valproic Acid EP Impurity B

Name: Valproic Acid EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-006759

About Valproic Acid EP Impurity B

Valproic Acid EP Impurity B (CAS 20225-24-5) is a pharmacopeial impurity of Valproic Acid offered by Vaqora Chemicals, specified at 95% purity. Its molecular formula is C7H14O2 and its molecular weight is 130.18 g/mol. Its systematic (IUPAC) name is 2-ethylpentanoic acid. Common synonyms include (2RS)-2-Ethylpentanoic Acid and 2-Ethylvaleric acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Valproic Acid, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Valproic Acid EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

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 name	Valproic Acid EP Impurity B
Catalogue No.	VQ-006759
CAS Number	20225-24-5
IUPAC name	2-ethylpentanoic acid
Molecular formula	C₇H₁₄O₂
Molecular weight	130.18 g/mol
Exact mass	130.0994
Grade	Reference Standard
Purity / assay	95%
HSN code	38229090
InChIKey	BAZMYXGARXYAEQ-UHFFFAOYSA-N
SMILES	CCCC(CC)C(=O)O
PubChem CID	30020

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
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-

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

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

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Valproic Acid EP Impurity B?

The CAS Registry Number of Valproic Acid EP Impurity B is 20225-24-5. It is also known as (2RS)-2-Ethylpentanoic Acid, 2-Ethylvaleric acid, 3-Hexanecarboxylic acid.

What is the molecular formula and molecular weight of Valproic Acid EP Impurity B?

Valproic Acid EP Impurity B has the molecular formula C7H14O2 and a molecular weight of 130.18 g/mol. Its IUPAC name is 2-ethylpentanoic acid.

What is Valproic Acid EP Impurity B used for?

Valproic Acid EP Impurity B 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 EP Impurity B can I order?

We supply Valproic Acid EP Impurity B in Reference Standard (95%) grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Valproic Acid EP Impurity B?

Yes. Every lot of Valproic Acid EP Impurity B 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 EP Impurity B be shipped internationally?

Yes. Valproic Acid EP Impurity B 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.