Folic acid impurity B
| Name of Impurity/Standard | Folic acid impurity B |
| CAS No. | 1004-75-7 |
| Molecular Formula | C₅H₈N₄O |
| Molecular Weight | 140.14 g/mol |
| Synonyms: 2,5,6-Triamino-4(3H)-pyrimidinone, 2,4,5-Triamino-6-hydroxypyrimidine; NSC 9313; 2,4,5-Triamino-6-pyrimidinol, 2,4,5-Triaminopyrimidin-6(1H)-one; 2,5,6-Triamino-4(1H)-pyrimidone, 2,5,6-Triamino-4-hydroxypyrimidine; 2,5,6-Triamino-4-oxopyrimidine; 2,5,6-Triamino-4-pyrimidinol; 2,5,6-Triamino-4-pyrimidinone, 2,5,6-Triaminopyrimidin-4(3H)-one; 4-Hydroxy-2,5,6-triaminopyrimidine, 6-Hydroxy-2,4,5-triaminopyrimidine; NSC 9313; | |