| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18925 | 69556-15-6 | Impurity | |
| Calcifediol Impurity 5 | ||||
| C4X-18926 | 63819-58-9 | Impurity | |
| Calcifediol Impurity 6 | ||||
 | C4X-18927 | 19356-17-3 | Impurity | |
| Calcifediol Impurity 7 | ||||
| C4X-18929 | N/A | Impurity | |
| Calcifediol Impurity 9 | ||||
 | C4X-18931 | 589-10-6 | Impurity | |
| Domiphen Impurity 1 | ||||
 | C4X-18932 | 1643-20-5 | Impurity | |
| Domiphen Impurity 2 | ||||
| C4X-18936 | N/A | Impurity | |
| Domiphen Impurity 6 | ||||
 | C4X-18937 | 13468-02-5 | Impurity | |
| Domiphen Impurity 7 | ||||
 | C4X-18941 | 96-20-8 | Impurity | |
| Ethambutol Hydrochloride EP Impurity A | ||||
| C4X-189410 | 78213-39-5 | Impurity | |
| Ethambutol Impurity 10 | ||||
