Appearance
White or almost white crystalline powder
Identification
IR; HPLC
Residual solvent
Acetone : 0.5%max
Impurity A
0.5%max
Impurity B
Impurity C
Any other impurities
0.1%max
Total impurities
1.0%max
Impurity (HPLC)
99.0%min
Assay
97.0-103.0%