Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

Ethosuximide-d3

Name: Ethosuximide-d3
Brand: Zemixal
SKU: ZX-043159

Reference StandardAvailable on request

Buy Ethosuximide-d3 (CAS 1189703-33-0) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-043159.

Pack sizes

CAS number1189703-33-0

FormulaC₇H₁₁NO₂

Molar mass144.19 g/mol

Physical formSolid

HS code38229090

InChIKeyHAPOVYFOVVWLRS-FIBGUPNXSA-N

IUPAC name3-methyl-3-(2,2,2-trideuterioethyl)pyrrolidine-2,5-dione

About Ethosuximide-d3

Analytical teams working on Ethosuximide use Ethosuximide-d3 as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 1189703-33-0, formula C7H11NO2 and molar mass 144.19 g/mol. It is handled as a solid.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H336, H361 and H362). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Grade guides

Deuterated and Stable-Isotope-Labelled Compounds

Specifications and identifiers

Specifications of Ethosuximide-d3
Product name	Ethosuximide-d3
Catalogue number	ZX-043159
CAS number	1189703-33-0
IUPAC name	3-methyl-3-(2,2,2-trideuterioethyl)pyrrolidine-2,5-dione
Molecular formula	C₇H₁₁NO₂
Molar mass	144.19 g/mol
Exact mass	144.0978
Grade	Reference Standard
Physical form	Solid
XLogP3	0.4
H-bond donors / acceptors	1 / 2
Topological polar surface area	46.2 Å²
HS code	38229090
InChIKey	HAPOVYFOVVWLRS-FIBGUPNXSA-N
SMILES	[2H]C([2H])([2H])CC1(CC(=O)NC1=O)C
PubChem CID	46781517
Synonyms	3-(ethyl-2,2,2-d3)-3-methylpyrrolidine-2,5-dione, 3-(2,2,2-~2~H_3_)Ethyl-3-methylpyrrolidine-2,5-dione

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

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Warning

H302Harmful if swallowed
H336May cause drowsiness or dizziness
H361Suspected of damaging fertility or the unborn child
H362May cause harm to breast-fed children

Precautionary statements P203, P260, P261, P263, P264, P270, P271, P280, P301 + P317, P304 + P340, P318, P319, P330, P403 + P233, 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 Ethosuximide-d3
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted 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-d3

Which CAS number identifies Ethosuximide-d3?

Ethosuximide-d3 is registered under CAS 1189703-33-0. You may also see it listed as 3-(ethyl-2,2,2-d3)-3-methylpyrrolidine-2,5-dione, 3-(2,2,2-~2~H_3_)Ethyl-3-methylpyrrolidine-2,5-dione. Our catalogue number for this item is ZX-043159.

What are the formula and molar mass of Ethosuximide-d3?

For Ethosuximide-d3, its formula is C7H11NO2 and its molar mass is 144.19 g/mol. The systematic (IUPAC) name is 3-methyl-3-(2,2,2-trideuterioethyl)pyrrolidine-2,5-dione. InChIKey HAPOVYFOVVWLRS-FIBGUPNXSA-N lets you match it in any structure database.

How is Ethosuximide-d3 used in pharmaceutical QC?

Ethosuximide-d3 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-d3?

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-d3?

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-d3 to my country?

Yes. Because Ethosuximide-d3 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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