| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-11449 | 767340-03-4 | Impurity | |
| Sitagliptin Impurity 9 | ||||
 | C4X-114490 | 1334244-24-4(free base) | Impurity | |
| Sitagliptin Impurity 90 HCl | ||||
| C4X-114491 | 1391554-42-9 | Impurity | |
| Sitagliptin Impurity 91 | ||||
 | C4X-114492 | 1234321-81-3 | Impurity | |
| Sitagliptin Impurity 92 | ||||
 | C4X-114493 | 1234321-83-5 | Impurity | |
| Sitagliptin Impurity 93 | ||||
| C4X-114494 | 881995-70-6 | Impurity | |
| Sitagliptin Impurity 94 | ||||
| C4X-114495 | 2309520-11-2 | Impurity | |
| Sitagliptin Impurity 95 | ||||
| C4X-114496 | 1675201-14-5 | Impurity | |
| Sitagliptin Impurity 96 | ||||
| C4X-114497 | 1391437-27-6 | Impurity | |
| Sitagliptin Impurity 97 | ||||
| C4X-114499 | 486459-88-5 | Impurity | |
| Sitagliptin Impurity 99 | ||||
