freely soluble in water and in methanol, practically insoluble in hexane.

A. IR

B. It gives reaction of tartrates. 

Solution S is clear and its absorbance at 420nm is not greater than 0.030.

3.3 ~3.8

Impurity A≤0.3%

Any other impurity≤0.2%

Sum of impurities other than A≤0.7%

Boron≤50ppm

Fluorides≤50ppm

Silver≤5ppm

Water≤4.0%

less than 2 IU/mg.

98.5% ~101.5%

Anti Tumor

Under an inert gas, protected from light, at a temperature not exceeding−15°C.