Ethosuximide EP Impurity A

Name: Ethosuximide EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-025657

About Ethosuximide EP Impurity A

Ethosuximide EP Impurity A is a pharmacopeial impurity of Ethosuximide carrying the CAS registry number 631-31-2. With the molecular formula C7H12O4, it has a molar mass of 160.17 g/mol. Its systematic (IUPAC) name is 2-ethyl-2-methylbutanedioic acid. Alternative names: 2-Ethyl-2-methylsuccinic Acid and Ethosuximide - Impurity A.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Ethosuximide, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ethosuximide EP Impurity A is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Ethosuximide

View every impurity, metabolite and intermediate we list for Ethosuximide.

Ethosuximide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Ethosuximide EP Impurity A
Catalogue No.	VQ-025657
CAS Number	631-31-2
IUPAC name	2-ethyl-2-methylbutanedioic acid
Molecular formula	C₇H₁₂O₄
Molecular weight	160.17 g/mol
Exact mass	160.0736
Grade	Reference Standard
HSN code	38229090
InChIKey	FDYJJKHDNNVUDR-UHFFFAOYSA-N
SMILES	CCC(C)(CC(=O)O)C(=O)O
PubChem CID	97776

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	2-Ethyl-2-methylsuccinic Acid, Ethosuximide - Impurity A, (2RS)-2-Ethyl-2-methylbutanedioic Acid, Butanedioic acid, 2-ethyl-2-methyl-, .alpha.-Ethyl-.alpha.-methyl succinic acid, alpha-Ethyl-alpha-methyl succinic acid, 2-methyl-2-ethylsuccinic acid, Ethosuximide impurity A, 2-Ethyl-2-methylsuccinicacid, 2-ethyl-2-methyl-butanedioic acid, alpha-Ethyl-alpha-methylsuccinicacid, alpha-ethyl-alpha-methylsuccinic acid

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 Ethosuximide EP Impurity A?

The CAS Registry Number of Ethosuximide EP Impurity A is 631-31-2. It is also known as 2-Ethyl-2-methylsuccinic Acid, Ethosuximide - Impurity A, (2RS)-2-Ethyl-2-methylbutanedioic Acid.

What is the molecular formula and molecular weight of Ethosuximide EP Impurity A?

Ethosuximide EP Impurity A has the molecular formula C7H12O4 and a molecular weight of 160.17 g/mol. Its IUPAC name is 2-ethyl-2-methylbutanedioic acid.

What is Ethosuximide EP Impurity A used for?

Ethosuximide EP Impurity A is supplied as a characterised reference material related to Ethosuximide. 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 Ethosuximide EP Impurity A can I order?

We supply Ethosuximide EP Impurity A in Reference Standard 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 Ethosuximide EP Impurity A?

Yes. Every lot of Ethosuximide EP Impurity A 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 Ethosuximide EP Impurity A be shipped internationally?

Yes. We export Ethosuximide EP Impurity A worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.