| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-157113 | 1608617-71-5 (free base) | Impurity | |
| Irinotecan EP Impurity H DiHCl | ||||
 | C4X-15712 | 78287-27-1 | Impurity | |
| Irinotecan USP Rc E | ||||
 | C4X-15713 | 86639-52-3 | Impurity | |
| Camptothecin 7-Ethyl-10-Hydroxy Impurity | ||||
| C4X-15719 | 67656-30-8 | Impurity | |
| Camptothecin Impurity 9 | ||||
| C4X-15741 | 1198090-73-1?free base? | Impurity | |
| Carvedilol EP impurity A DiHCl | ||||
 | C4X-157410 | 1276477-91-8 | Impurity | |
| Carvedilol impurity 10 | ||||
| C4X-157413 | N/A | Impurity | |
| Carvedilol impurity 13 | ||||
| C4X-157414 | 72956-35-5 | Impurity | |
| Carvedilol impurity 14 | ||||
 | C4X-157415 | 52602-39-8 | Impurity | |
| Carvedilol impurity 15 | ||||
 | C4X-157416 | 64464-07-9 | Impurity | |
| Carvedilol impurity 16 | ||||
