Table 5: Results of long term stability of stock for dasatinib and dasatinib d8.
| Mean Peak Area at 0 hr | Mean Peak Area after 7 days stored at -20 ℃ | RE (%) | |
| Dasatinib stock solution | 4277389.17 | 4288089.33 | 0.250 |
| Dasatinib D8 stock solution | 742359.00 | 767394.67 | 3.372 |
Acceptance criteria: RE should be within ± 10% for the analyte.