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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Zopiclone, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Zopiclone impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Zopiclone-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Zopiclone Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-Zopiclone-d3 (N-methyl-d3) Stable Isotopes CS-T-103290 1398066-10-8 Enquire
Eszopiclone D3 Stable Isotopes CS-O-48143 1093385-28-4 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]... Impurities CS-T-94139 43200-88-0 Enquire
Lactose Adduct of 2-Amino 5-Chloro Pyridine Impurities CS-O-58653 Not Available Enquire
PPA impurity of Eszopiclone Impurities CS-O-46429 2514668-36-9 Enquire
Zopiclone N-Oxide Impurities CS-P-00087 43200-96-0 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Amino-5-chloropyridine Fine Chemicals CS-M-11139 1072-98-6 In Stock