(R)-Zopiclone

Name: (R)-Zopiclone
Brand: Vaqora Chemicals
SKU: VQ-004274

About (R)-Zopiclone

Vaqora Chemicals supplies (R)-Zopiclone, an impurity of Zopiclone registered under CAS number 138680-08-7. With the molecular formula C17H17ClN6O3, it has a molar mass of 388.8 g/mol. Its systematic (IUPAC) name is [(7R)-6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate. Alternative names: (-)-Zopiclone and Zopiclone R-Isomer (USP).

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Zopiclone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies (R)-Zopiclone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Zopiclone

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

Zopiclone impurities

Specifications & identifiers

Chemical identifiers
Product name	(R)-Zopiclone
Catalogue No.	VQ-004274
CAS Number	138680-08-7
IUPAC name	[(7R)-6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate
Molecular formula	C₁₇H₁₇ClN₆O₃
Molecular weight	388.8 g/mol
Exact mass	388.1051
Grade	Reference Standard
HSN code	38229090
InChIKey	GBBSUAFBMRNDJC-MRXNPFEDSA-N
SMILES	CN1CCN(CC1)C(=O)O[C@@H]2C3=NC=CN=C3C(=O)N2C4=NC=C(C=C4)Cl
PubChem CID	941731

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	0 / 7
TPSA	91.8 Å²
Synonyms	(-)-Zopiclone, Zopiclone R-Isomer (USP), (5R)-zopiclone, Zopiclone, (R)-, C17H17ClN6O3, R-Zopiclone, (R)-zolpiclone, Zopiclone Working Standard (Secondary Reference Standard)

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 (R)-Zopiclone?

The CAS Registry Number of (R)-Zopiclone is 138680-08-7. It is also known as (-)-Zopiclone, Zopiclone R-Isomer (USP), (5R)-zopiclone.

What is the molecular formula and molecular weight of (R)-Zopiclone?

(R)-Zopiclone has the molecular formula C17H17ClN6O3 and a molecular weight of 388.8 g/mol. Its IUPAC name is [(7R)-6-(5-chloro-2-pyridinyl)-5-oxo-7H-pyrrolo[3,4-b]pyrazin-7-yl] 4-methylpiperazine-1-carboxylate.

What is (R)-Zopiclone used for?

(R)-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 (R)-Zopiclone can I order?

We supply (R)-Zopiclone 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 (R)-Zopiclone?

Yes. Every lot of (R)-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 (R)-Zopiclone be shipped internationally?

Yes. We export (R)-Zopiclone worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.