Table 4. System Suitability Results for Carglumic Acid and its Impurities for Spiked Standard Solution.
| Peak Name | Mean Area | RSD % for Area(n = 6) | Plate Count | Resolution | Tailing factor | Capacity Factor(k’) |
|---|---|---|---|---|---|---|
| Carglumic acid | 17.39 | %0.21 | 3578 | - | 1.21 | 2.11 |
| Pyroglutamic acid | 48.60 | %0.15 | 5207 | 5.71 | 1.20 | 3.24 |
| Related compound A | 60.96 | %0.11 | 6418 | 7.74 | 1.27 | 3.76 |
| Pyrocarglumic acid | 184.01 | %0.08 | 6140 | 7.41 | 1.24 | 6.05 |
| Dicarbamoyll-glutamic acid | 342.90 | %0.12 | 5879 | 12.33 | 1.10 | 7.67 |