| Chemical Structure | CAT No. | CAS | Item Group | Purity |
|---|---|---|---|---|
 | C4X-139560 | 89-38-3 | Impurity | |
| Folic acid impurity 60 | ||||
| C4X-139561 | 99778-32-2 | Impurity | |
| Folic Acid Impurity 61 | ||||
| C4X-139563 | N/A | Impurity | |
| Folic Acid Impurity 63 | ||||
| C4X-139564 | N/A | Impurity | |
| Folic Acid Impurity 64 | ||||
 | C4X-13959 | 948-60-7 | Impurity | |
| Pterine-6-carboxylic Acid | ||||
| C4X-139610 | 6315-60-2 | Impurity | |
| Azelastine Impurity 10 | ||||
| C4X-139611 | 169123-29-9 | Impurity | |
| Azelastine Impurity 11 3HCl | ||||
| C4X-139612 | N/A | Impurity | |
| Azelastine EP Impurity B?HCl? | ||||
| C4X-139613 | 791758-74-2 | Impurity | |
| Azelastine Impurity 13 | ||||
| C4X-139615 | 89584-24-7 | Impurity | |
| Azelastine Impurity 15 | ||||
