SolubilityInsoluble in water ,soluble in ethanol and acetone
Conforms
Identification
IR
The same to check sample
Conforms
UV
λmax233nm,
Conforms
Colour reactions
postivereactions
Conforms
HPLC
retention times is same as the standard sample
Conforms
Specific rotation
﹣42°～﹣48°
﹣44°
TESTS
Impurities
total impurities is not more than 1.0%
0.267%
single impurity is not more than 0.5%
0.061%
water
NMT3.0%
0.81%
Sulphated ash
NMT 0.1% w/w
0.03%
heavy metal
NMT 20ppm
Conforms
Organic volatile
A: Methylene chloride NMT0.06%
0.002%
impurities
B:Pyridion NMT0.02%
C:Toluene NMT 0.089%
0.005%
0.03%
Endotoxin
≤10EU/mg
6.0 EU/mg
Assay
98.0%～102.0%
99.7%
Storage:stored at 2-8℃ and in a hermetical,light-resistant area.
Conclusion : the product conform the standard;
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