| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18906 | N/A | Impurity | |
| Ceftibuten Impurity 6 | ||||
| C4X-18907 | N/A | Impurity | |
| Ceftibuten Impurity 7 | ||||
| C4X-18908 | 97519-40-9 | Impurity | |
| Ceftibuten Impurity 8 | ||||
| C4X-18909 | N/A | Impurity | |
| Ceftibuten Impurity 9 | ||||
| C4X-18911 | 2469273-97-8(Free Base) | Impurity | |
| Esmolol Impurity 1 | ||||
| C4X-189110 | 98903-90-3(Free Base) | Impurity | |
| Esmolol Impurity 10 | ||||
| C4X-189111 | 98903-90-3 | Impurity | |
| Esmolol Impurity 11 | ||||
| C4X-189112 | 83356-60-9 | Impurity | |
| Esmolol Impurity 12 | ||||
| C4X-189113 | N/A | Impurity | |
| Esmolol Impurity 13 | ||||
 | C4X-189115 | 501-97-3 | Impurity | |
| Esmolol Impurity 15 | ||||
