|
项目Item
|
检测标准Test Criterion
|
结果Result
|
|
外观Appearance
|
白色结晶粉末
white crystalline powder
|
符合Conforms
|
|
比旋度Specific rotation
|
－12±2°(C = 1 in MeOH)
|
－12.9°
|
|
含量Assay
|
min 98.5%
|
99.15%
|
|
熔点Melting point
|
min 72 ℃
|
73.5℃
|
|
干燥失重Loss on drying
|
max 0.5%
|
0.2%
|
|
灼烧残渣Residue on Ignition
|
max 0.4%
|
0.1%
|
