| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-114418 | 922178-94-7 | Impurity | |
| Sitagliptin Impurity 18 | ||||
 | C4X-11442 | 769195-20-2 | Impurity | |
| Sitagliptin Impurity 2 | ||||
 | C4X-114421 | 2088771-60-0 | Impurity | |
| Sitagliptin Impurity 21 | ||||
 | C4X-114422 | 486460-23-5 | Impurity | |
| Sitagliptin Impurity 22 | ||||
| C4X-114423 | N/A | Impurity | |
| Sitagliptin Impurity 23 | ||||
| C4X-114424 | N/A | Impurity | |
| Sitagliptin Impurity 24 | ||||
| C4X-114425 | N/A | Impurity | |
| Sitagliptin Impurity 25 | ||||
 | C4X-114426 | 1402569-71-4 | Impurity | |
| Sitagliptin Impurity 26 | ||||
 | C4X-114427 | 762240-92-6 | Impurity | |
| Sitagliptin Intermediates Impurity | ||||
 | C4X-114428 | 486460-00-8 | Impurity | |
| Sitagliptin Impurity 28 | ||||
