| Parent Drug Name | Name of Impurity | Catalogue No. | |
|---|---|---|---|
| Cyanocobalamin | Cyanocobalamin 7β, 8β-lactone | VE008378 | View CAS 23208-66-4 |
| Cyanocobalamin | Cyanocobalamin CRS (C3000000) | PVE00153 | View CAS 68-19-9 |
| Cyanocobalamin | Cyanocobalamin EP Impurity H | VE0011765 | View |
| Cyanocobalamin | Cyanocobalamin-b-carboxylic Acid | VE0011204 | View CAS 38218-77-8 |
| Cyanocobalamin | Vitamin B-12 C-Lactam | VE0011279 | View CAS 23388-02-5 |
| Cyanocobalamin | 32-Carboxycyanocobalamin | VE008381 | View CAS 121483-62-3 |
| Cyanocobalamin | 34-Methylcyanocobalamin | VE008380 | View CAS 38218-51-8 |
| Cyanocobalamin | 50-Carboxycyanocobalamin | VE008379 | View CAS 26264-28-8 |
| Cyanocobalamin | 50-Methylcyanocobalamin | VE008383 | View |
| Cyanocobalamin | 8-Epi-cyanocobalamin | VE008382 | View CAS 41325-63-7 |
