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Stability of compound in the freeze–thaw and post-preparative tests
| Nominal concentration (ng/ml) | CV (%) | Accuracy (%) |
|---|---|---|
| Freeze–thaw studies (n = 3) | ||
| 4.0 (LQC) | 22.9 | 82.0 |
| 40.0 (MQC) | 14.2 | 99.4 |
| 400.0 (UQC) | 9.2 | 87.8 |
| Post-preparative stability studies (up to 6 h) | ||
| 4.0 (LQC) | 2.4 | 102.8 |
| 400.0 (UQC) | 4.0 | 88.5 |
