Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
API Reference Standards

Ethosuximide

Reference StandardAvailable on request

Buy Ethosuximide (CAS 77-67-8) from Zemixal: C7H11NO2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
Ethosuximide chemical structure
CAS number77-67-8
FormulaC7H11NO2
Molar mass141.17 g/mol
Physical formSolid
HS code38229090
InChIKeyHAPOVYFOVVWLRS-UHFFFAOYSA-N
IUPAC name3-ethyl-3-methylpyrrolidine-2,5-dione

About Ethosuximide

Zemixal lists Ethosuximide for laboratories that identify, quantify or control Ethosuximide and its related substances. For your records (Reference Standard), the material is defined by CAS 77-67-8, formula C7H11NO2 and molar mass 141.17 g/mol. It is handled as a solid.

Use cases we see most often

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

Hazard communication follows GHS (Warning: H302). 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. 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

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Ethosuximide
Product nameEthosuximide
Catalogue numberZX-024617
CAS number77-67-8
IUPAC name3-ethyl-3-methylpyrrolidine-2,5-dione
Molecular formulaC7H11NO2
Molar mass141.17 g/mol
Exact mass141.079
GradeReference Standard
Physical formSolid
XLogP30.4
H-bond donors / acceptors1 / 2
Topological polar surface area46.2 Ų
HS code38229090
InChIKeyHAPOVYFOVVWLRS-UHFFFAOYSA-N
SMILESCCC1(CC(=O)NC1=O)C
PubChem CID3291
SynonymsZarontin, 2-Ethyl-2-methylsuccinimide, Ethosuxide, Emeside, Ethosuccimide, Ethosuccinimide, Atysmal, Suxinutin, Aethosuximide, Thilopemal, 3-Ethyl-3-methyl-2,5-pyrrolidinedione, 3-Methyl-3-ethylsuccinimide

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 Ethosuximide
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

Which CAS number identifies Ethosuximide?
Ethosuximide is registered under CAS 77-67-8. You may also see it listed as Zarontin, 2-Ethyl-2-methylsuccinimide, Ethosuxide. Our catalogue number for this item is ZX-024617.
What are the formula and molar mass of Ethosuximide?
For Ethosuximide, its formula is C7H11NO2 and its molar mass is 141.17 g/mol. The systematic (IUPAC) name is 3-ethyl-3-methylpyrrolidine-2,5-dione. InChIKey HAPOVYFOVVWLRS-UHFFFAOYSA-N lets you match it in any structure database.
How is Ethosuximide used in pharmaceutical QC?
Ethosuximide 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?
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?
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 to my country?
Yes. Because Ethosuximide 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.

More Ethosuximide standards

More in API Reference Standards

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.

Compare 0 of 4Compare now