| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-114413 | N/A | Impurity | |
| Sitagliptin Impurity 13 | ||||
| C4X-1144130 | N/A | Impurity | |
| Sitagliptin Impurity 130 | ||||
| C4X-1144132 | N/A | Impurity | |
| Sitagliptin Impurity 132 | ||||
| C4X-1144133 | N/A | Impurity | |
| Sitagliptin Impurity 133 | ||||
| C4X-1144134 | N/A | Impurity | |
| Sitagliptin Impurity 134 | ||||
| C4X-1144135 | 1360872-54-3 | Impurity | |
| Sitagliptin Impurity 135 | ||||
| C4X-1144136 | 837430-22-5 | Impurity | |
| Sitagliptin Impurity 136 HCl | ||||
| C4X-1144137 | N/A | Impurity | |
| Sitagliptin Impurity 137 | ||||
 | C4X-1144138 | 1283583-85-6 | Impurity | |
| Sitagliptin Impurity 138 | ||||
| C4X-1144139 | N/A | Impurity | |
| Sitagliptin Impurity 39 | ||||
