| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-105016 | N/A | Impurity | |
| Salmeterol Impurity 16 | ||||
| C4X-105017 | 94749-00-5 | Impurity | |
| Salmeterol Impurity 17 | ||||
| C4X-105018 | 101386-64-5 | Impurity | |
| Salmeterol Impurity 18 | ||||
| C4X-105019 | N/A | Impurity | |
| Salmeterol EP Impurity A Formate Salt | ||||
 | C4X-10502 | 94749-02-7 | Impurity | |
| Salmeterol EP Impurity B | ||||
| C4X-105020 | 2470130-36-8(free base) | Impurity | |
| Salmeterol EP Impurity G Hydrochloride | ||||
 | C4X-105021 | 2470130-36-8 | Impurity | |
| Salmeterol EP Impurity G | ||||
| C4X-105022 | N/A | Impurity | |
| Salmeterol impurity 22 | ||||
 | C4X-10503 | 94749-11-8 | Impurity | |
| Salmeterol EP Impurity C | ||||
 | C4X-10504 | 1391052-04-2 | Impurity | |
| Salmeterol EP Impurity D | ||||
