| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-152512 | 3706-26-1 | Impurity | |
| Formoterol EP Impurity G HCl | ||||
 | C4X-152513 | 150513-24-9 | Impurity | |
| Formoterol EP Impurity A | ||||
 | C4X-152514 | 615551-59-2 | Impurity | |
| Formoterol Impurity 14 | ||||
 | C4X-152515 | 67346-48-9 | Impurity | |
| "(S,S)-Formoterol Impurity" | ||||
 | C4X-152516 | N/A | Impurity | |
| Formoterol Impurity 16 | ||||
 | C4X-152519 | 126002-14-0 | Impurity | |
| Formoterol Impurity 19 | ||||
 | C4X-15252 | 1224588-66-2 | Impurity | |
| Formoterol EP Impurity B | ||||
| C4X-152520 | N/A | Impurity | |
| Formoterol Impurity 20 | ||||
 | C4X-152522 | 1049695-95-5 | Impurity | |
| Formoterol Impurity 22 HCl | ||||
 | C4X-152523 | 43229-01-2 | Impurity | |
| Formoterol Impurity 23 | ||||
