| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-116241 | N/A | Impurity | |
| Febuxostat Impurity 41 | ||||
 | C4X-116242 | 118485-48-6 | Impurity | |
| Febuxostat Impurity 42 | ||||
 | C4X-116243 | 161798-03-4 | Impurity | |
| Febuxostat Impurity 43 | ||||
| C4X-116244 | 79836-78-5 | Impurity | |
| Febuxostat Impurity 44 | ||||
 | C4X-116246 | 144060-97-9 | Impurity | |
| Febuxostat Impurity 46 | ||||
 | C4X-116247 | 1346238-10-5 | Impurity | |
| Febuxostat Impurity 47 | ||||
 | C4X-116248 | 144060-52-6 | Impurity | |
| Febuxostat Impurity 48 | ||||
 | C4X-116249 | 1206550-99-3 | Impurity | |
| Febuxostat Impurity 49 | ||||
| C4X-11625 | 7133-90-6 | Impurity | |
| Febuxostat Impurity 5 | ||||
 | C4X-116250 | 609-15-4 | Impurity | |
| Febuxostat Impurity 50 | ||||
