| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-105011 | 1330076-52-2 | Impurity | |
| Salmeterol Impurity 11 | ||||
 | C4X-105012 | 108928-82-1 | Impurity | |
| Salmeterol Impurity 12 | ||||
 | C4X-105013 | 86-48-6 | Impurity | |
| Salmeterol Impurity 13 | ||||
| C4X-105014 | N/A | Impurity | |
| Salmeterol Impurity 14 | ||||
 | C4X-105015 | 1995868-17-1 | Impurity | |
| Salmeterol Impurity 15 | ||||
| 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 | ||||
