| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-109981 | 2819242-71-0?free base? | Impurity | |
| Alogliptin impurity 81 | ||||
| C4X-109982 | 1917324-14-1?free base? | Impurity | |
| Alogliptin impurity 82 | ||||
| C4X-109983 | N/A | Impurity | |
| Alogliptin impurity 83 | ||||
| C4X-109984 | N/A | Impurity | |
| Alogliptin impurity 84 | ||||
| C4X-109985 | N/A | Impurity | |
| Alogliptin impurity 85 | ||||
| C4X-109986 | 2716884-59-0 | Impurity | |
| Alogliptin impurity 86 | ||||
| C4X-109987 | N/A | Impurity | |
| Alogliptin impurity 87 | ||||
| C4X-10999 | N/A | Impurity | |
| Alogliptin Impurity 9 | ||||
 | C4X-11001 | 1036959-27-9 | Impurity | |
| Vildagliptin (2R)-Isomer | ||||
 | C4X-110010 | 565452-98-4 | Impurity | |
| Vildagliptin Impurity 10 | ||||
