| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-20212 | 196081-71-7 | Impurity | |
| Crisaborole Impurity 2 | ||||
 | C4X-202120 | N/A | Impurity | |
| Crisaborole Impurity 20 | ||||
| C4X-202121 | N/A | Impurity | |
| Crisaborole Impurity 21 | ||||
| C4X-202127 | 2141947-89-7 | Impurity | |
| Crisaborole Impurity 27 | ||||
| C4X-202128 | N/A | Impurity | |
| Crisaborole Impurity 28 | ||||
| C4X-202129 | N/A | Impurity | |
| Crisaborole Impurity 29 | ||||
 | C4X-20213 | 394-47-8 | Impurity | |
| Crisaborole Impurity 3 | ||||
| C4X-202130 | 2988644-41-1 | Impurity | |
| Crisaborole Impurity 30 | ||||
 | C4X-202133 | 906673-45-8 | Impurity | |
| Crisaborole Impurity 33 | ||||
| C4X-202137 | N/A | Impurity | |
| Crisaborole Impurity 37 | ||||
