| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-101034 | N/A | Impurity | |
| Aciclovir Impurity 34 | ||||
| C4X-101035 | N/A | Impurity | |
| Aciclovir Impurity 35 | ||||
 | C4X-10105 | 19962-37-9 | Impurity | |
| Acyclovir Impurity 5 | ||||
 | C4X-10107 | 91702-60-2 | Impurity | |
| Acyclovir EP Impurity M | ||||
 | C4X-10108 | 133186-23-9 | Impurity | |
| Acyclovir EP Impurity H | ||||
 | C4X-10109 | 166762-90-9 | Impurity | |
| Acyclovir EP Impurity J | ||||
| C4X-10111 | 77191-37-8 | Impurity | |
| Oxiracetam Impurity 1 | ||||
| C4X-101110 | 21954-96-1 | Impurity | |
| Oxiracetam Impurity 10 | ||||
 | C4X-101111 | 870695-39-9 | Impurity | |
| Oxiracetam Impurity 11 | ||||
 | C4X-101112 | 88-00-6 | Impurity | |
| Oxiracetam Impurity 12 | ||||
