Zopiclone EP Impurity A

Name: Zopiclone EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-006779

About Zopiclone EP Impurity A

Zopiclone EP Impurity A is a pharmacopeial impurity of Zopiclone carrying the CAS registry number 43200-96-0. Formula C17H17ClN6O4, molecular weight 404.8 g/mol. The 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. It is also known as Zopiclone Oxide or Zopiclone N-oxide.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Zopiclone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Zopiclone EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch.

Typical applications

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

Industries

Related to Zopiclone

View every impurity, metabolite and intermediate we list for Zopiclone.

Zopiclone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Zopiclone EP Impurity A
Catalogue No.	VQ-006779
CAS Number	43200-96-0
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 formula	C₁₇H₁₇ClN₆O₄
Molecular weight	404.8 g/mol
Exact mass	404.1
Grade	Reference Standard
HSN code	38229090
InChIKey	IPTIKKTXLHVRKN-UHFFFAOYSA-N
SMILES	C[N+]1(CCN(CC1)C(=O)OC2C3=NC=CN=C3C(=O)N2C4=NC=C(C=C4)Cl)[O-]
PubChem CID	162548

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	0 / 7
TPSA	107 Å²
Synonyms	Zopiclone 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

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Zopiclone EP Impurity A?

The CAS Registry Number of Zopiclone EP Impurity A is 43200-96-0. It is also known as Zopiclone Oxide, Zopiclone N-oxide, Eszopiclone USP Related Compound A.

What is the molecular formula and molecular weight of Zopiclone EP Impurity A?

Zopiclone EP Impurity A has the molecular formula C17H17ClN6O4 and a molecular weight of 404.8 g/mol. Its 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.

What is Zopiclone EP Impurity A used for?

Zopiclone EP Impurity A is supplied as a characterised reference material related to Zopiclone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Zopiclone EP Impurity A can I order?

We supply Zopiclone EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Zopiclone EP Impurity A?

Yes. Every lot of Zopiclone EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Zopiclone EP Impurity A be shipped internationally?

Yes. Zopiclone EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.