| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-189180 | N/A | Impurity | |
| Esmolol Impurity 80 | ||||
| C4X-189181 | N/A | Impurity | |
| Esmolol Impurity 81 | ||||
| C4X-189183 | N/A | Impurity | |
| Esmolol Impurity 83 | ||||
| C4X-18919 | N/A | Impurity | |
| Esmolol Impurity 9 | ||||
| C4X-189211 | N/A | Impurity | |
| Calcifediol Impurity 11 | ||||
 | C4X-189213 | 22145-68-2 | Impurity | |
| Calcifediol Impurity 13 | ||||
 | C4X-18927 | 19356-17-3 | Impurity | |
| Calcifediol Impurity 7 | ||||
 | C4X-18937 | 13468-02-5 | Impurity | |
| Domiphen Impurity 7 | ||||
 | C4X-18941 | 96-20-8 | Impurity | |
| Ethambutol Hydrochloride EP Impurity A | ||||
| C4X-189411 | 5856-63-3 | Impurity | |
| Ethambutol Impurity 11 | ||||
