Zopiclone Impurity – A
(5RS)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate 4-oxide (zopiclone oxide)
| Chemical Name | (5RS)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate 4-oxide (zopiclone oxide) |
|---|---|
| CAS No. | 43200-96-0 |
| Molecular Formula | C17H17ClN6O4 |
| Molecular Weight | 404.81 |
| Chemical Structure |
![(5RS)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate 4-oxide (zopiclone oxide) Structure](https://bhavanishlifesciences.com/wp-content/uploads/2026/09/zopiclone-impurity-a-structure.png) |
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Zopiclone Impurity – A
Zopiclone Impurity – A is a known related substance / impurity of Zopiclone, recognized under the EP monograph. Chemically, it is described as (5RS)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate 4-oxide (zopiclone oxide). It has the molecular formula C17H17ClN6O4 and a molecular weight of 404.81 g/mol. This impurity standard supports HPLC method validation, forced degradation studies, and routine quality control testing of Zopiclone. Available as a high-purity certified reference material suitable for HPLC, LC-MS, and other analytical techniques.
Zopiclone impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, Quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.
We are the BHAVANISH LIFE SCIENCES specializes in manufacturing and supplying of Zopiclone impurities that meet specific pharmacopeial standards (USP/EP/BP/IP) as well as process-related impurities.
This related products or Impurities are thoroughly characterized. Supplied with detailed COA & analytical data Like NMR / MASS / HPLC / GC / IR / TGA / Potency / Structure elucidation data (SER Report) meeting regulatory compliance.
BHAVANISH LIFE SCIENCES provides this compound for research and development and Analytical testing use only, and is not meant for human consumption. With product information including CAS number, molecular formula, molecular weight details.
BHAVANISH LIFE SCIENCES in providing high-quality impurity standards to support pharmaceutical companies in maintaining drug safety and efficacy.
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