Pyridostigmine EP impurity B
| API Category | Pyridostigmine Impurity |
|---|---|
| Appearance | Off white solid |
| CAT Number | DCTI-C-1365 |
| CAS Number | 31034-86-3 |
| IUPAC Name | 3-hydroxy-1-methylpyridin-1-ium bromide |
| Molecular Formula | C6H8NO+ (free pyridinium) C6H8BrNO (bromide salt) |
| Molecular Weight | 110.14 (free pyridinium) 190.04 (bromide salt) |
| Solubility | Methanol |
| Storage Condition | 2-8 ⁰C |




