 | C4X-177931 | 526-98-7 | Impurity | |
| Ascorbic Acid EP Impurity C |
 | C4X-177933 | 6381-77-7 | Impurity | |
| Vitamin Impurity 33 |
 | C4X-177934 | 54573-75-0 | Impurity | |
| Vitamin Impurity 34 |
 | C4X-177935 | 3445-22-5 | Impurity | |
| Vitamin Impurity 35 |
 | C4X-177937 | 58-60-6 | Impurity | |
| Puromycin aminonucleosidePuromycin aminonucleoside |
 | C4X-177939 | 492-30-8 | Impurity | |
| Ascorbic Acid Impurity 39 |
 | C4X-17794 | N/A | Impurity | |
| Ergocalciferol Impurity 4 (Mixture of Diastereomers) |
| C4X-177941 | 60133-18-8 | Impurity | |
| 25-Hydroxy Doxercalciferol |
| C4X-177942 | 58050-55-8 | Impurity | |
| "24,25-Dihydroxyvitamin D2" |
 | C4X-177944 | 21675-47-8 | Impurity | |
| Ascorbic Acid Impurity 44 |
