| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-1144117 | 871035-61-9 | Impurity | |
| Sitagliptin Impurity 117 | ||||
| C4X-1144118 | 1261633-32-2 | Impurity | |
| Sitagliptin Impurity 118 | ||||
| C4X-1144119 | 2114328-77-5 | Impurity | |
| Sitagliptin Impurity 119 | ||||
| C4X-114412 | 1151240-91-3?free base? | Impurity | |
| Sitagliptin Impurity 12 HCl | ||||
| 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 | ||||
