| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1144120 | 2428591-91-5 | Impurity | |
| itagliptin Impurity 120 | ||||
| C4X-1144121 | N/A | Impurity | |
| Sitagliptin Impurity 121 | ||||
| C4X-1144122 | N/A | Impurity | |
| Sitagliptin Impurity 122 | ||||
| C4X-1144123 | N/A | Impurity | |
| Sitagliptin Impurity 123 | ||||
| C4X-1144124 | N/A | Impurity | |
| Sitagliptin Impurity 124 | ||||
 | C4X-1144125 | 877402-45-4 | Impurity | |
| Sitagliptin Impurity 125 | ||||
| C4X-1144126 | 1555495-76-5 | Impurity | |
| Sitagliptin Impurity 126 | ||||
| C4X-1144127 | N/A | Impurity | |
| Sitagliptin Impurity 127 | ||||
| C4X-1144128 | N/A | Impurity | |
| Sitagliptin Impurity 128 | ||||
| C4X-1144129 | N/A | Impurity | |
| Sitagliptin Impurity 129 | ||||
