| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-107213 | 1446194-56-4 | Impurity | |
| Bortezomib Impurity 13 | ||||
 | C4X-107214 | N/A | Impurity | |
| Bortezomib Impurity 14 | ||||
| C4X-107215 | N/A | Impurity | |
| Bortezomib Impurity 15 | ||||
| C4X-107216 | N/A | Impurity | |
| Bortezomib Impurity 16 | ||||
 | C4X-107217 | 1194235-41-0 | Impurity | |
| Bortezomib Impurity 17 | ||||
| C4X-107218 | N/A | Impurity | |
| Bortezomib Impurity 18 | ||||
| C4X-107219 | N/A | Impurity | |
| Bortezomib Impurity 19 | ||||
 | C4X-10722 | 114457-94-2 | Impurity | |
| Bortezomib Impurity 2 | ||||
 | C4X-107220 | 862894-96-0 | Impurity | |
| Bortezomib Impurity 20 | ||||
 | C4X-107221 | 18680-27-8 | Impurity | |
| Bortezomib Impurity 21 | ||||
