Advances in Chemistry

Research Article

Identification and Structural Characterization of Unidentified Impurity in Bisoprolol Film-Coated Tablets

Table 1

Results for unidentified impurity with RRT 0.95 in binary mixtures, exposed at 40°C/75% RH.
Bisoprolol fumarate +Initial2 weeks4 weeks8 weeks
Diluent 1////
Diluent 2 (calcium hydrogen phosphate)/0.04%0.05%0.08%
Glidant////
Disintegrant////
Filler////