| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-139258 | N/A | Impurity | |
| Famotidine impurity 58 | ||||
| C4X-139259 | N/A | Impurity | |
| Famotidine impurity 59 | ||||
 | C4X-13926 | 107880-74-0 | Impurity | |
| Famotidine EP Impurity F | ||||
| C4X-139260 | N/A | Impurity | |
| Famotidine impurity 60 | ||||
| C4X-139261 | N/A | Impurity | |
| Famotidine Impurity 61 | ||||
| C4X-139262 | N/A | Impurity | |
| Famotidine impurity 62 | ||||
 | C4X-13927 | 76823-97-7 | Impurity | |
| Famotidine EP Impurity G | ||||
| C4X-13928 | 88046-01-9 | Impurity | |
| Famotidine EP Impurity H Dihydrochloride | ||||
 | C4X-13929 | 1020719-36-1 | Impurity | |
| Famotidine EP Impurity I | ||||
 | C4X-13931 | 65445-14-9 | Impurity | |
| Alfacalcidol EP Impurity A | ||||
