| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-114138 | 127852-28-2 | Impurity | |
| Aprepitant Impurity 38 | ||||
 | C4X-114139 | 176306-78-8 | Impurity | |
| Aprepitant Impurity 39 | ||||
 | C4X-11414 | 172822-29-6 | Impurity | |
| Aprepitant Impurity 4 | ||||
| C4X-114141 | N/A | Impurity | |
| Aprepitant Impurity 41 | ||||
 | C4X-114142 | 13657-16-4 | Impurity | |
| Aprepitant Impurity 42 | ||||
| C4X-114143 | N/A | Impurity | |
| Aprepitant Impurity 43 | ||||
| C4X-114144 | N/A | Impurity | |
| Aprepitant Impurity 44 | ||||
 | C4X-114145 | 364-47-6 | Impurity | |
| Aprepitant Impurity 45 | ||||
| C4X-114146 | 2035475-10-4?free base? | Impurity | |
| Aprepitant impurity 46 | ||||
 | C4X-114147 | 172673-20-0 | Impurity | |
| Aprepitant impurity 47 | ||||
