S.No. Time (hr) %Assay at RT* (Solution stability) %Assay at REF** (Solution stability) %Assay (Mobile phase stability) 1 0 100.06 99.85 99.85 2 18 99.99 99.88 100.11 3 24 100.31 100.39 99.93 4 42 100.16 100.44 100.27 5 48 100.09 100.71 99.49 Average   100.12 100.25 99.93 SD   0.12 0.376 0.295 %RSD   0.12 0.37 0.30 *RT -  Room Temperature **REF- Refrigerated conditions (8°C)

Table 5: Solution and mobile phase stability data of AZP.