| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-13729 | 143157-22-6 | Impurity | |
| Gemcitabine Impurity 9 | ||||
 | C4X-137310 | 6052-68-2 | Impurity | |
| Tryptophan EP Impurity H | ||||
 | C4X-137312 | 1022-31-7 | Impurity | |
| N-Formyl Kynurenine | ||||
 | C4X-137314 | 343-65-7 | Impurity | |
| Tryptophan Impurity 14 | ||||
| C4X-137315 | N/A | Impurity | |
| Tryptophan Impurity 15 | ||||
| C4X-137316 | N/A | Impurity | |
| Tryptophan Impurity 16 | ||||
| C4X-137317 | 32999-55-6 | Impurity | |
| Tryptophan Impurity 17 | ||||
| C4X-137318 | N/A | Impurity | |
| Tryptophan Impurity 18 | ||||
 | C4X-137319 | 5470-37-1 | Impurity | |
| Tryptophan EP Impurity I | ||||
 | C4X-13732 | 184955-21-3 | Impurity | |
| Tryptophan EP Impurity B (Mixture of Diastereomers) | ||||
