| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-126817 | N/A | Impurity | |
| Nalmefene Impurity 17 | ||||
| C4X-126818 | N/A | Impurity | |
| Nalmefene impurity 18 | ||||
| C4X-12683 | N/A | Impurity | |
| Nalmefene Impurity 3 | ||||
| C4X-12684 | N/A | Impurity | |
| Nalmefene Impurity 4 | ||||
| C4X-12685 | N/A | Impurity | |
| Nalmefene Impurity 5 | ||||
| C4X-12686 | N/A | Impurity | |
| Nalmefene Impurity 6 | ||||
| C4X-12687 | N/A | Impurity | |
| Nalmefene Impurity 7 | ||||
| C4X-12689 | N/A | Impurity | |
| Nalmefene Impurity 9 | ||||
 | C4X-12701 | 875-74-1 | Impurity | |
| Cefaclor EP Impurity A | ||||
| C4X-127010 | N/A | Impurity | |
| Cefaclor Impurity 10 | ||||
