| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-13007 | 129212-35-7 | Impurity | |
| Tacrolimus EP Impurity D | ||||
 | C4X-13008 | 134590-88-8 | Impurity | |
| Tacrolimus Lactone Isomer (Iso-FK-506) | ||||
 | C4X-13009 | 104987-30-6 | Impurity | |
| Tacrolimus EP Impurity E | ||||
 | C4X-13011 | 39672-75-8 | Impurity | |
| "Desonide Impurity 1(Desonide 9, 11-Epoxide)" | ||||
 | C4X-130110 | N/A | Impurity | |
| Desonide Impurity 10 | ||||
 | C4X-13015 | 3103-17-1 | Impurity | |
| Deoxyprednisolone-16-ene | ||||
 | C4X-13017 | 638-93-7 | Impurity | |
| "1,2-Dihydrodesonide" | ||||
| C4X-13018 | 57171-18-3 | Impurity | |
| Desonide glyoxal Impurity 8 | ||||
 | C4X-13019 | 117782-94-2 | Impurity | |
| Desonide Impurity 9 | ||||
 | C4X-130310 | 134834-12-1 | Impurity | |
| Roxithromycin EP Impurity J | ||||
