| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-110131 | 666816-98-4 | Impurity | |
| Linagliptin Impurity 31 | ||||
 | C4X-110132 | 109113-72-6 | Impurity | |
| Linagliptin Impurity 32 | ||||
 | C4X-110133 | N/A | Impurity | |
| Linagliptin Impurity 33 | ||||
 | C4X-110136 | 1638744-06-5 | Impurity | |
| Linagliptin Impurity 36 | ||||
 | C4X-110137 | 216854-23-8 | Impurity | |
| Linagliptin Impurity 37 | ||||
 | C4X-110138 | 1803079-49-3 | Impurity | |
| Linagliptin Impurity 38 | ||||
 | C4X-110139 | 184637-48-7 | Impurity | |
| Linagliptin Impurity 39 | ||||
| C4X-11014 | N/A | Impurity | |
| Linagliptin Impurity 4 | ||||
| C4X-110140 | N/A | Impurity | |
| Linagliptin Impurity 40 | ||||
| C4X-110141 | 2074688-84-7 | Impurity | |
| Linagliptin Impurity 41 | ||||
