Test Item

Appearance White or slightly yellow powder
Melting point 133℃ ～ 136℃
Clarity and Color of the solution
Clear
Related Substances ≤2％
Total impurity
≤ 0.5%
Individual impurity
Loss on Drying ≤2％
Heavy Metal ≤20ppm
(HPLC) Assay 98.5%～102％

Residual Solvents
Conform
1 Acetone ≤3000ppm
2 Diethyl ether ≤5000ppm
3 Ethanol ≤1000ppm
4 Methanol ≤1000ppm
5 Toluene ≤500ppm
6 Dichloromethane ≤500ppm