| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-18104 | 63235-39-2 | Impurity | |
| Procaterol Impurity 4 | ||||
| C4X-181042 | 62910-96-7 | Impurity | |
| Procaterol impurity 42 | ||||
| C4X-18107 | 72332-33-3 | Impurity | |
| Procaterol Impurity 7 (Enantiomer Mixture) | ||||
| C4X-18108 | N/A | Impurity | |
| Procaterol Impurity 8 | ||||
| C4X-18109 | N/A | Impurity | |
| Procaterol Impurity 9 | ||||
| C4X-18111 | 53944-31-3 | Impurity | |
| Pranoprofen Impurity 1 | ||||
| C4X-181111 | N/A | Impurity | |
| Pranoprofen Impurity 11 | ||||
| C4X-181112 | N/A | Impurity | |
| Pranoprofen Impurity 12 | ||||
| C4X-181114 | N/A | Impurity | |
| Pranoprofen Impurity 14 | ||||
| C4X-181115 | N/A | Impurity | |
| Pranoprofen Impurity 15 | ||||
