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API Impurities

2-Keto Zolpidem

Reference StandardAvailable on request

Buy 2-Keto Zolpidem (CAS 400038-68-8) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
2-Keto Zolpidem chemical structure
CAS number400038-68-8
FormulaC19H19N3O2
Molar mass321.4 g/mol
Physical formSolid
HS code38229090
InChIKeyWJEFEBYRIBQJRX-UHFFFAOYSA-N
IUPAC nameN,N-dimethyl-2-[6-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridin-3-yl]-2-oxoacetamide

About 2-Keto Zolpidem

2-Keto Zolpidem belongs to the Zolpidem reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 400038-68-8, formula C19H19N3O2 and molar mass 321.4 g/mol. It is handled as a solid.

Where it is used

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Classified under GHS with signal word Warning and hazard statements H302. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Zolpidem

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

Zolpidem standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 2-Keto Zolpidem
Product name2-Keto Zolpidem
Catalogue numberZX-032795
CAS number400038-68-8
IUPAC nameN,N-dimethyl-2-[6-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridin-3-yl]-2-oxoacetamide
Molecular formulaC19H19N3O2
Molar mass321.4 g/mol
Exact mass321.1477
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors0 / 3
Topological polar surface area54.7 Ų
HS code38229090
InChIKeyWJEFEBYRIBQJRX-UHFFFAOYSA-N
SMILESCC1=CC=C(C=C1)C2=C(N3C=C(C=CC3=N2)C)C(=O)C(=O)N(C)C
PubChem CID9923131
SynonymsOxozolpidem, N,N-Dimethyl-2-(6-methyl-2-p-tolylimidazo(1,2-a)pyridin-3-yl)-2-oxoacetamide, Imidazo(1,2-a)pyridine-3-acetamide, N,N,6-trimethyl-2-(4-methylphenyl)-alpha-oxo-, N,N-dimethyl-2-(6-methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)-2-oxoacetamide

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 2-Keto Zolpidem
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 2-Keto Zolpidem

Which CAS number identifies 2-Keto Zolpidem?
2-Keto Zolpidem is registered under CAS 400038-68-8. You may also see it listed as Oxozolpidem, N,N-Dimethyl-2-(6-methyl-2-p-tolylimidazo(1,2-a)pyridin-3-yl)-2-oxoacetamide, Imidazo(1,2-a)pyridine-3-acetamide, N,N,6-trimethyl-2-(4-methylphenyl)-alpha-oxo-. Our catalogue number for this item is ZX-032795.
What are the formula and molar mass of 2-Keto Zolpidem?
For 2-Keto Zolpidem, its formula is C19H19N3O2 and its molar mass is 321.4 g/mol. The systematic (IUPAC) name is N,N-dimethyl-2-[6-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridin-3-yl]-2-oxoacetamide. InChIKey WJEFEBYRIBQJRX-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Keto Zolpidem used in pharmaceutical QC?
2-Keto Zolpidem is a characterised reference material linked to Zolpidem. 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 2-Keto Zolpidem?
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 2-Keto Zolpidem?
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 2-Keto Zolpidem to my country?
Yes. Because 2-Keto Zolpidem 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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