From: Determination of enantiomer impurity in Bortezomib lyo injection formulation by using normal-phase liquid chromatography
Time interval
% Recovery for (1S,2R-enantiomer) impurity
Bench top
Refrigerator condition (2-8 °C)
Initial
104
24 h
100.3
99.8
48 h
104.6
103.4