| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-10585 | 19982-07-1 | Impurity | |
| Memantine Impurity 5 | ||||
 | C4X-105850 | N/A | Impurity | |
| Memantine impurity 50 | ||||
| C4X-105851 | 702-80-7 | Impurity | |
| Memantine impurity 51 | ||||
| C4X-105853 | 26562-81-2 | Impurity | |
| Memantine impurity 53 | ||||
| C4X-10586 | 356572-08-2 | Impurity | |
| Memantine Related Compound F HCl | ||||
 | C4X-10587 | 707-36-8 | Impurity | |
| Memantine Related Compound C | ||||
 | C4X-10588 | 351329-88-9 | Impurity | |
| Memantine Related Compound E | ||||
| C4X-105910 | N/A | Impurity | |
| Cinacalcet Impurity 10 | ||||
| C4X-105911 | 1271930-15-4?free base? | Impurity | |
| Cinacalcet Impurity 11 | ||||
| C4X-105912 | 253337-60-9?free base? | Impurity | |
| Cinacalcet Impurity 12 | ||||
