 | C4X-139536 | N/A | Impurity | |
| Folic Acid Impurity 36 |
| C4X-139539 | N/A | Impurity | |
| Folic Acid Impurity 39 |
 | C4X-13954 | 119-24-4 | Impurity | |
| Folic acid EP Impurity D |
| C4X-139540 | N/A | Impurity | |
| Folic Acid Impurity 40 HCl |
| C4X-139541 | N/A | Impurity | |
| Folic Acid EP Impurity E Sulfate |
| C4X-139542 | N/A | Impurity | |
| Folic Acid EP Impurity G Sulfate |
| C4X-139543 | N/A | Impurity | |
| Folic Acid EP Impurity C Calcium Salt |
| C4X-139545 | 1182291-60-6 | Impurity | |
| Folic Acid Impurity 45 |
| C4X-139546 | 914800-65-0 | Impurity | |
| Folic Acid Impurity 46 Disodium Salt |
| C4X-139547 | N/A | Impurity | |
| Folic Acid Impurity 47 |
