Vinblastine sulfate (Vinblastine sulfate)

Vinblastine Sulfate
Appearance:White or off-white crystalline powder
Identification:conforms
PH:3.5 to 5.0
Loss on drying:15.0%max.
Related substance:Individual Impurity 1.0% max.
Total Impurities:3.0% max.
methyl: 3000ppm max.
ethanol:5000ppm max.
dichloromethane:600ppm max.
chloroform:6000ppm max.
Assay（on dried basis）:96.0?02.0%