From: Determination of enantiomer impurity in Bortezomib lyo injection formulation by using normal-phase liquid chromatography
Preparation
(1S,2R-enantiomer) impurity (% recovery)
1
104.0
2
104.4
3
103.8
4
104.5
5
6
105.7
Average
STD DEV.
0.6623
% RSD
0.6