Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Ethosuximide EP Impurity A

Reference StandardAvailable on request

Buy Ethosuximide EP Impurity A (CAS 631-31-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-024618.

Pack sizes
Ethosuximide EP Impurity A chemical structure
CAS number631-31-2
FormulaC7H12O4
Molar mass160.17 g/mol
Physical formSolid
HS code38229090
InChIKeyFDYJJKHDNNVUDR-UHFFFAOYSA-N
IUPAC name2-ethyl-2-methylbutanedioic acid

About Ethosuximide EP Impurity A

Analytical teams working on Ethosuximide use Ethosuximide EP Impurity A as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 631-31-2, formula C7H12O4 and molar mass 160.17 g/mol. It is handled as a solid.

Typical applications

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Ethosuximide

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

Ethosuximide standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Ethosuximide EP Impurity A
Product nameEthosuximide EP Impurity A
Catalogue numberZX-024618
CAS number631-31-2
IUPAC name2-ethyl-2-methylbutanedioic acid
Molecular formulaC7H12O4
Molar mass160.17 g/mol
Exact mass160.0736
GradeReference Standard
Physical formSolid
XLogP30.5
H-bond donors / acceptors2 / 4
Topological polar surface area74.6 Ų
HS code38229090
InChIKeyFDYJJKHDNNVUDR-UHFFFAOYSA-N
SMILESCCC(C)(CC(=O)O)C(=O)O
PubChem CID97776
Synonyms2-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

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Ethosuximide EP Impurity A
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 Ethosuximide EP Impurity A

Which CAS number identifies Ethosuximide EP Impurity A?
Ethosuximide EP Impurity A is registered under CAS 631-31-2. You may also see it listed as 2-Ethyl-2-methylsuccinic Acid, Ethosuximide - Impurity A, (2RS)-2-Ethyl-2-methylbutanedioic Acid. Our catalogue number for this item is ZX-024618.
What are the formula and molar mass of Ethosuximide EP Impurity A?
For Ethosuximide EP Impurity A, its formula is C7H12O4 and its molar mass is 160.17 g/mol. The systematic (IUPAC) name is 2-ethyl-2-methylbutanedioic acid. InChIKey FDYJJKHDNNVUDR-UHFFFAOYSA-N lets you match it in any structure database.
How is Ethosuximide EP Impurity A used in pharmaceutical QC?
Ethosuximide EP Impurity A is a characterised reference material linked to Ethosuximide. 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 Ethosuximide EP Impurity A?
This listing is Reference Standard grade. 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 Ethosuximide EP Impurity A?
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 Ethosuximide EP Impurity A to my country?
Yes. Ethosuximide EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Ethosuximide standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now