| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-116818 | 252742-72-6 | Impurity | |
| Fosaprepitant Impurity 18 | ||||
 | C4X-116819 | 1623-07-0 | Impurity | |
| Fosaprepitant Impurity 19 | ||||
| C4X-11682 | N/A | Impurity | |
| Fosaprepitant Impurity 2 | ||||
| C4X-116820 | N/A | Impurity | |
| Fosaprepitant Impurity 20 | ||||
 | C4X-116821 | 265121-01-5 | Impurity | |
| Fosaprepitant Impurity 21 | ||||
| C4X-116822 | N/A | Impurity | |
| Fosaprepitant Impurity 22 | ||||
 | C4X-116823 | 889852-02-2 | Impurity | |
| Fosaprepitant Impurity 23 | ||||
| C4X-116824 | N/A | Impurity | |
| Fosaprepitant Impurity 24 | ||||
 | C4X-116825 | 78-69-3 | Impurity | |
| Aprepitant Impurity 25 | ||||
| C4X-116826 | N/A | Impurity | |
| Aprepitant Impurity 26 | ||||
