| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-11017 | 1446263-38-2 | Impurity | |
| Linagliptin Impurity 7 | ||||
 | C4X-110170 | 2253964-98-4 | Impurity | |
| Linagliptin Impurity 70 | ||||
 | C4X-110171 | N/A | Impurity | |
| Linagliptin impurity 71 | ||||
| C4X-110172 | N/A | Impurity | |
| Linagliptin Impurity 72 | ||||
| C4X-110173 | N/A | Impurity | |
| Linagliptin Impurity 73 | ||||
 | C4X-110174 | 2434-53-9 | Impurity | |
| Linagliptin Impurity 74 | ||||
| C4X-110175 | N/A | Impurity | |
| Linagliptin Impurity 75 | ||||
| C4X-110176 | N/A | Impurity | |
| Linagliptin Impurity 76 (Mixture of Diastereomers) | ||||
 | C4X-110177 | 1673546-62-7 | Impurity | |
| Linagliptin Impurity 77 | ||||
 | C4X-110178 | 1418133-47-7 | Impurity | |
| Linagliptin Impurity 78 | ||||
