Category:
Intermediates&Fine Chemicals
CAS NO:
43200-81-3
Standard:
ChP,
/
Zopiclone intermediates are key synthetic precursors used in the large-scale manufacturing of the sedative-hypnotic drug zopiclone. The primary intermediate is 5-chloro-2-(6,7-dihydro-1-methyl-5-oxo-[1,2,4]triazolo[4,3-a]pyridin-3-yl)-2H-pyridine, often identified by CAS 80904-23-6. Molecular formula is typically C11H11ClN4O, serving as the core scaffold for final cyclization and purification processes.
Strict adherence to controlled substance regulations is mandatory due to potential abuse liability. Storage requires sealed containers in cool, dry environments away from light to prevent degradation. Personnel must utilize appropriate PPE during handling to avoid skin contact or inhalation risks.