Items |
Specification |
||
Appearance |
A White or almost white,crystalline powder |
||
Solubility |
Practically insoluble in water,sparingly soluble in dichloromethane R,ethanol(750g/l) TS and methanol R; soluble in arachis oil R and sesame oil R |
||
Identification | |||
1) IR |
Infrared absorption spectrum of test and standard (or the reference spectrum of artemotil) are concordant |
||
2) TLC |
The principal spot obtained with the test corresponds in position, appearance, and intensity with that obtained with the standard |
||
3) Color reaction 1 |
A yellow color is produced |
||
4) Color reaction 2 |
A pink color is produced |
||
Tests | |||
Melting point |
81~84°C |
||
Specific optical rotation |
+155° to +157° |
||
Sulfated ash |
≤0.1% |
||
Loss on drying |
≤0.5% |
||
Related substances |
Any single impurity ≤0.5% Any impurity between 0.25% and 0.5%≤1 Total impurities ≤1% |
||
Assay (on dried basis) |
97.0%~102% (HPLC) |
Grupos de Producto : API