| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-137335 | 132685-02-0?free base? | Impurity | |
| Tryptophan EP Impurity A 2HCl | ||||
| C4X-137337 | N/A | Impurity | |
| Tryptophan impurity 37 | ||||
| C4X-137338 | N/A | Impurity | |
| Tryptophan impurity 38 (Mixture of Diastereomers) | ||||
| C4X-137339 | N/A | Impurity | |
| Tryptophan impurity 39 | ||||
| C4X-137340 | N/A | Impurity | |
| Tryptophan impurity 40 | ||||
| C4X-137341 | N/A | Impurity | |
| Tryptophan impurity 41 | ||||
| C4X-137342 | N/A | Impurity | |
| Tryptophan impurity 42 | ||||
 | C4X-13735 | 3978-11-8 | Impurity | |
| Tryptophan EP Impurity E | ||||
| C4X-13737 | 21704-80-3 | Impurity | |
| Tryptophan EP Impurity G | ||||
 | C4X-13738 | 132685-02-0 | Impurity | |
| Tryptophan EP Impurity A | ||||
