| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-20479 | 126429-09-2 | Impurity | |
| Thiamphenicol Impurity 9 | ||||
 | C4X-20491 | 3154-18-5 | Impurity | |
| Phenacetin Impurity 1 | ||||
 | C4X-204910 | 15596-57-3 | Impurity | |
| Phenacetin Impurity 10 | ||||
| C4X-204912 | 507-20-0 | Impurity | |
| Phenacetin Impurity 12 | ||||
| C4X-20492 | 65570-13-0 | Impurity | |
| Phenacetin Impurity 2 | ||||
| C4X-20493 | 15793-48-3 | Impurity | |
| Phenacetin Impurity 3 | ||||
| C4X-20494 | 53689-25-1 | Impurity | |
| Phenacetin Impurity 4 | ||||
| C4X-20495 | 102236-24-8 | Impurity | |
| Phenacetin Impurity 5 | ||||
| C4X-20497 | 60457-49-0 | Impurity | |
| Phenacetin Impurity 7 | ||||
| C4X-20498 | 188905-67-1 | Impurity | |
| Phenacetin Impurity 8 | ||||
