| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-151340 | 23146-07-8 | Impurity | |
| Doxofylline Impurity 40 | ||||
| C4X-151341 | N/A | Impurity | |
| Doxofylline Impurity 41 | ||||
| C4X-151342 | 56548-04-0 | Impurity | |
| Doxofylline Impurity 42 | ||||
| C4X-15135 | N/A | Impurity | |
| Doxofylline Impurity 5 | ||||
 | C4X-15136 | 1429636-72-5 | Impurity | |
| Doxofylline Impurity 6 | ||||
| C4X-15137 | N/A | Impurity | |
| Doxofylline Impurity 7 | ||||
| C4X-15138 | 123524-29-8 | Impurity | |
| Doxofylline Impurity 8 | ||||
| C4X-15139 | N/A | Impurity | |
| Doxofylline Impurity 9 | ||||
 | C4X-15141 | 5090-29-9 | Impurity | |
| Noradrenalone EP Impurity B Hydrochloride | ||||
 | C4X-151410 | 2948-16-5 | Impurity | |
| Norepinephrine Impurity 10 | ||||
