| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-110158 | N/A | Impurity | |
| Linagliptin Impurity 58 | ||||
 | C4X-110159 | 551-93-9 | Impurity | |
| Linagliptin Impurity 59 | ||||
| C4X-11016 | N/A | Impurity | |
| Linagliptin Impurity 6 | ||||
| C4X-110160 | 1955514-80-3 | Impurity | |
| Linagliptin Impurity 60 | ||||
| C4X-110161 | N/A | Impurity | |
| Linagliptin Impurity 61 HCl | ||||
| C4X-110162 | 1807608-59-8 | Impurity | |
| Linagliptin Impurity 62 | ||||
| C4X-110165 | N/A | Impurity | |
| Linagliptin Impurity 65 | ||||
| C4X-110166 | N/A | Impurity | |
| Linagliptin impurity 66 | ||||
| C4X-110167 | N/A | Impurity | |
| Linagliptin impurity 67 | ||||
| C4X-110168 | N/A | Impurity | |
| Linagliptin Impurity 68 | ||||
