| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-150018 | N/A | Impurity | |
| Indacaterol Impurity 18 | ||||
| C4X-150019 | 1454818-75-7 | Impurity | |
| Indacaterol Impurity 19 | ||||
 | C4X-15002 | 100331-89-3 | Impurity | |
| Indacaterol Impurity 2 | ||||
| C4X-150020 | 2250243-41-3 | Impurity | |
| Indacaterol Impurity 20 | ||||
 | C4X-150021 | 1235445-80-3 | Impurity | |
| S-Indacaterol | ||||
 | C4X-150022 | 2598-30-3 | Impurity | |
| Indacaterol Impurity 22 | ||||
| C4X-150023 | 94198-40-0 | Impurity | |
| Indacaterol Impurity 23(and enantiomer) | ||||
| C4X-150024 | N/A | Impurity | |
| Indacaterol Impurity 24 | ||||
 | C4X-150025 | 1207760-24-4 | Impurity | |
| Indacaterol Impurity 25 | ||||
| C4X-150026 | 773895-24-2 | Impurity | |
| Indacaterol Impurity 26 | ||||
