| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-141817 | N/A | Impurity | |
| Promethazine Impurity 17 HCl | ||||
| C4X-141818 | N/A | Impurity | |
| Promethazine Impurity 18 TFA Salt | ||||
| C4X-141819 | N/A | Impurity | |
| Promethazine Impurity 19 | ||||
 | C4X-14182 | 5568-90-1 | Impurity | |
| Promethazine EP Impurity B HCl | ||||
| C4X-141822 | N/A | Impurity | |
| Promethazine Impurity 22 | ||||
| C4X-141823 | 64505-48-2 | Impurity | |
| Promethazine Impurity 23 | ||||
| C4X-141824 | 1070758-14-3 | Impurity | |
| Promethazine Impurity 24 | ||||
| C4X-141826 | 15521-18-3 | Impurity | |
| Promethazine Impurity 26 | ||||
 | C4X-141827 | 1209-66-1 | Impurity | |
| Promethazine Impurity 27 | ||||
 | C4X-141828 | 36144-72-6 | Impurity | |
| Promethazine Impurity 28 | ||||
