Category:
Chiral Intermediates
CAS NO:
70-18-8
Standard:
ChP,USP,EP,
|
检验项目 Item |
检验标准 Inspection Standard |
检验结果 Results |
|
外观 Appearance |
white to off- white powder |
Conforms |
|
鉴别 Identification |
HPLC RT |
Conforms |
|
比旋度 Specific rotation |
-15.5°~-17.5° |
-16.56° |
|
重金属 Heavy metals(Pb)
|
≤10ppm |
Conforms |
|
氯化物 Chlorides |
Not more than 200 ppm |
Conforms |
|
硫酸盐 Sulfates |
Not more than 300 ppm |
Conforms |
|
铵盐 Ammonium |
Not more than 200 ppm |
Conforms |
|
铁 Iron |
Not more than 10 ppm |
Conforms |
|
炽灼残渣 Residue on ignition |
≤0.1% |
0.01% |
|
干燥失重 Loss on drying |
≤0.5% |
0.07% |
|
有关物质 Related substances |
gross contamination≤2.0% |
0.96% |
|
|
GSSG≤1.5% |
0.89% |
|
含量(Assay) |
98.0%~101.0% |
98.34% |