Jiangyin Sanyi Chemical Co.,Ltd.

Zopiclone

Chemical Name:	Zopiclone
Characteristics:	The Sample is slightly yellowish crystalline powder.

Test:
Item	Standard	Results
Description	Slightlyyellowish crystalline powder	Conforme
Melting point	About177℃decomposition	Conforme
Identification 1#．B 2#．A．C	Biggest absorption in 303nm, Biggest characteristic absorption 340-380 nm	Conforme
	IR	Conforme
	TCL	Conforme
Appearance of solution	Compared with solution S	Conforme
Optical rotation	-0.05～+0.05	+0.02
Related Substances Liq Chromatography	A.≤0.3% B.≤0.1%	Conforme
2-propanol Gas Chromatography	≤0.7%	0.3%
Heary metals	≤10ppm	＜10ppm
Sulphate	≤0.1%	0.03%
Assay	98.5-100.5%	99.6%