| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-190815 | 3213-30-7 | Impurity | |
| Dopamine EP Impurity A | ||||
 | C4X-190816 | 67992-45-4 | Impurity | |
| Dopamine Impurity 16 | ||||
 | C4X-190817 | 1129-53-9 | Impurity | |
| Dopamine Impurity 17 | ||||
| C4X-190818 | 5663-56-9 | Impurity | |
| Dopamine Impurity 18 | ||||
| C4X-190819 | 16240-59-8?free base? | Impurity | |
| Dopamine Impurity 19 | ||||
| C4X-19082 | 39816-35-8 | Impurity | |
| Dopamine Impurity 2 | ||||
 | C4X-190820 | 138937-28-7 | Impurity | |
| Dopamine Impurity 20 | ||||
 | C4X-190823 | 645-33-0 | Impurity | |
| Dopamine Impurity 23 | ||||
 | C4X-190824 | 1477-68-5 | Impurity | |
| Dopamine Impurity 24 | ||||
 | C4X-190825 | 1124-39-6 | Impurity | |
| Dopamine Impurity 25 | ||||
