| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-141036 | N/A | Impurity | |
| Nifedipine Impurity 36 | ||||
 | C4X-14104 | 14205-39-1 | Impurity | |
| Nifedipine EP Impurity D | ||||
| C4X-14105 | 21829-26-5 | Impurity | |
| Nifedipine Impurity 5 | ||||
 | C4X-14106 | 53055-15-5 | Impurity | |
| Nifedipine Impurity 6 | ||||
| C4X-14107 | 74378-10-2 | Impurity | |
| Nifendipine Impurity 7 | ||||
| C4X-14108 | 74936-71-3 | Impurity | |
| Nifedipine Impurity 8 | ||||
| C4X-14109 | 21829-09-4 | Impurity | |
| Nifedipine Impurity 9 | ||||
 | C4X-14111 | 7411-12-3 | Impurity | |
| Colchicine EP Impurity A | ||||
| C4X-141112 | N/A | Impurity | |
| Colchicine EP Impurity B | ||||
 | C4X-14113 | 6901-13-9 | Impurity | |
| Colchicine EP Impurity C | ||||
