| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-10784 | N/A | Impurity | |
| Pidotimod Impurity 4 | ||||
| C4X-10785 | N/A | Impurity | |
| Pidotimod Impurity 5 | ||||
 | C4X-10786 | 162148-16-5 | Impurity | |
| Pidotimod impurity 6 | ||||
| C4X-10787 | N/A | Impurity | |
| Pidotimod Impurity 7 | ||||
| C4X-10789 | N/A | Impurity | |
| Pidotimod Impurity 9 | ||||
 | C4X-10791 | 1092578-46-5 | Impurity | |
| Tofacitinib Impurity 1 | ||||
| C4X-107910 | 2097982-05-1 | Impurity | |
| Tofacitinib Impurity 10 | ||||
| C4X-1079100 | N/A | Impurity | |
| Tofacitinib Impurity 100 (Enantiomer Mixture) | ||||
| C4X-1079101 | N/A | Impurity | |
| Tofacitinib Impurity 101 | ||||
 | C4X-1079102 | 1640972-35-5 | Impurity | |
| Tofacitinib Impurity 102 | ||||
