| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-150023 | 94198-40-0 | Impurity | |
| Indacaterol Impurity 23(and enantiomer) | ||||
 | C4X-150025 | 1207760-24-4 | Impurity | |
| Indacaterol Impurity 25 | ||||
| C4X-150027 | 63404-86-4 | Impurity | |
| Indacaterol Impurity 27 | ||||
 | C4X-15003 | 530084-79-8 | Impurity | |
| Indacaterol Impurity 3 | ||||
 | C4X-15004 | 15450-76-7 | Impurity | |
| Indacaterol Impurity 4 | ||||
| C4X-150041 | 312759-81-2 | Impurity | |
| Indacaterol Impurity 41 | ||||
| C4X-150047 | 1235445-80-3(free base) | Impurity | |
| S-Indacaterol Maleate | ||||
| C4X-150048 | 1384189-12-1 | Impurity | |
| Indacaterol Impurity 48 | ||||
| C4X-150049 | N/A | Impurity | |
| Indacaterol Impurity 49 | ||||
| C4X-15005 | 62978-73-8 | Impurity | |
| Indacaterol Impurity 5 | ||||
