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Pharmacopeial Impurities (EP / USP / BP)

Zopiclone EP Impurity A

Reference StandardIn stock

Buy Zopiclone EP Impurity A (CAS 43200-96-0) from Zemixal: C17H17ClN6O4, COA and SDS with every lot, worldwide shipping.

Pack sizes
Zopiclone EP Impurity A chemical structure
CAS number43200-96-0
FormulaC17H17ClN6O4
Molar mass404.8 g/mol
Physical formSolid
HS code38229090
InChIKeyIPTIKKTXLHVRKN-UHFFFAOYSA-N
IUPAC name[6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate

About Zopiclone EP Impurity A

Zopiclone EP Impurity A belongs to the Zopiclone reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 43200-96-0, formula C17H17ClN6O4 and molar mass 404.8 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

It carries the GHS signal word Warning (H302, H336 and H411), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 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 Zopiclone

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

Zopiclone 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 Zopiclone EP Impurity A
Product nameZopiclone EP Impurity A
Catalogue numberZX-006076
CAS number43200-96-0
IUPAC name[6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate
Molecular formulaC17H17ClN6O4
Molar mass404.8 g/mol
Exact mass404.1
GradeReference Standard
Physical formSolid
XLogP3-0.1
H-bond donors / acceptors0 / 7
Topological polar surface area107 Ų
HS code38229090
InChIKeyIPTIKKTXLHVRKN-UHFFFAOYSA-N
SMILESC[N+]1(CCN(CC1)C(=O)OC2C3=NC=CN=C3C(=O)N2C4=NC=C(C=C4)Cl)[O-]
PubChem CID162548
SynonymsZopiclone Oxide, Zopiclone N-oxide, Eszopiclone USP Related Compound A, N-Oxidezopiclone, N-oxide-zopiclone, Eszopiclone Impurity A, C17H17ClN6O4, Zopiclone oxide CRS, Zopiclone N-Oxide (Eszopiclone Impurity A), Eszopiclone Impurity A (Zopiclone N-Oxide), Zopiclone Oxide 1.0 mg/ml in Dimethyl Sulfoxide

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
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H302Harmful if swallowed
  • H336May cause drowsiness or dizziness
  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P203, P261, P264, P270, P271, P273, P280, P301 + P317, P304 + P340, P318, P319, P330, P391, 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 Zopiclone EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 Zopiclone EP Impurity A

Which CAS number identifies Zopiclone EP Impurity A?
Zopiclone EP Impurity A is registered under CAS 43200-96-0. You may also see it listed as Zopiclone Oxide, Zopiclone N-oxide, Eszopiclone USP Related Compound A. Our catalogue number for this item is ZX-006076.
What are the formula and molar mass of Zopiclone EP Impurity A?
For Zopiclone EP Impurity A, its formula is C17H17ClN6O4 and its molar mass is 404.8 g/mol. The systematic (IUPAC) name is [6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methyl-4-oxidopiperazin-4-ium-1-carboxylate. InChIKey IPTIKKTXLHVRKN-UHFFFAOYSA-N lets you match it in any structure database.
How is Zopiclone EP Impurity A used in pharmaceutical QC?
Zopiclone EP Impurity A is a characterised reference material linked to Zopiclone. 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 Zopiclone EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Zopiclone 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 Zopiclone EP Impurity A to my country?
Yes. Because Zopiclone EP Impurity A 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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