N-Desmethyl Zopiclone

Name: N-Desmethyl Zopiclone
Brand: Vaqora Chemicals
SKU: VQ-043353

About N-Desmethyl Zopiclone

Vaqora Chemicals supplies N-Desmethyl Zopiclone, a metabolite or degradation product of Zopiclone registered under CAS number 59878-63-6. With the molecular formula C16H15ClN6O3, it has a molar mass of 374.78 g/mol. Its systematic (IUPAC) name is [6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] piperazine-1-carboxylate. Alternative names: N-Desmethyl Zopiclone (Rac) and Norzopiclone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Zopiclone, as well as in QC testing and ANDA/DMF documentation. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies N-Desmethyl Zopiclone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Zopiclone

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

Zopiclone impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Desmethyl Zopiclone
Catalogue No.	VQ-043353
CAS Number	59878-63-6
IUPAC name	[6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] piperazine-1-carboxylate
Molecular formula	C₁₆H₁₅ClN₆O₃
Molecular weight	374.78 g/mol
Exact mass	374.0894
Grade	Reference Standard
HSN code	38229090
InChIKey	CGSFZSTXVVJLIX-UHFFFAOYSA-N
SMILES	C1CN(CCN1)C(=O)OC2C3=NC=CN=C3C(=O)N2C4=NC=C(C=C4)Cl
PubChem CID	162892

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 7
TPSA	101 Å²
Synonyms	N-Desmethyl Zopiclone (Rac), Norzopiclone, N-Desmethyl Zopiclone Hydrochloride, [6-(5-chloropyridin-2-yl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] piperazine-1-carboxylate, N-Desmethyl Zopiclone HCl, Desmethylzopiclone, N-Demethylzopiclone, N-Demethyl eszopiclone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 N-Desmethyl Zopiclone?

The CAS Registry Number of N-Desmethyl Zopiclone is 59878-63-6. It is also known as N-Desmethyl Zopiclone (Rac), Norzopiclone, N-Desmethyl Zopiclone Hydrochloride.

What is the molecular formula and molecular weight of N-Desmethyl Zopiclone?

N-Desmethyl Zopiclone has the molecular formula C16H15ClN6O3 and a molecular weight of 374.78 g/mol. Its IUPAC name is [6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] piperazine-1-carboxylate.

What is N-Desmethyl Zopiclone used for?

N-Desmethyl Zopiclone 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 N-Desmethyl Zopiclone can I order?

We supply N-Desmethyl Zopiclone in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Desmethyl Zopiclone?

Yes. Every lot of N-Desmethyl Zopiclone 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 N-Desmethyl Zopiclone be shipped internationally?

Yes. N-Desmethyl Zopiclone 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.