Impurities
Metformin EP Impurity E
| Product Code: | Ax-IMP332 |
| CAS Number: | 36801-25-9 |
| Synonyms: | N-Desmethyl Metformin Sulfate; 1-Methyl Biguanide Sulfate |
| Molecular Formula: | C3H11N5O4S |
| Molecular Weight: | 213.21 |
Metformin EP Impurity C
| Product Code: | Ax-IMP330 |
| CAS Number: | 1985-46-2 |
| Synonyms: | N2,N2-dimethyl-1,3,5-triazine-2,4,6-triamine; |
| Molecular Formula: | C5H10N6 |
| Molecular Weight: | 154.18 |
Metformin EP Impurity D
| Product Code: | Ax-IMP331 |
| CAS Number: | 108-78-1 |
| Synonyms: | 1,3,5-triazine-2,4,6-triamine |
| Molecular Formula: | C3H6N6 |
| Molecular Weight: | 126.12 |
Metformin HCl
| Product Code: | Ax-IMP333 |
| CAS Number: | 1115-70-4 |
| Synonyms: | 1,1-Dimethylbiguanide hydrochloride |
| Molecular Formula: | C4H11N5·HCl |
| Molecular Weight: | 165.63 |
Pyridostigmine impurity A
| Product Code: | Ax-IMP334 |
| CAS Number: | 51581-32-9 |
| Synonyms: | 3-Pyridinyl N,N-dimethylcarbamate; Pyridin-3-yl dimethylcarbamate |
| Molecular Formula: | C8H10N2O2 |
| Molecular Weight: | 166.18 |
Pyridostigmine impurity B
| Product Code: | Ax-IMP335 |
| CAS Number: | 31034-86-3 |
| Synonyms: | 3-hydroxy-1-methylpyridin-1-ium bromide |
| Molecular Formula: | C6H8BrNO |
| Molecular Weight: | 190.04 |
Flecainide Impurity E
| Product Code: | Ax-IMP340 |
| CAS Number: | 57415-36-8 |
| Synonyms: | N-(pyridin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide |
| Molecular Formula: | C17H14F6N2O3 |
| Molecular Weight: | 408.3 |
Flecainide impurity D
| Product Code: | Ax-IMP339 |
| CAS Number: | 35480-52-5 |
| Synonyms: | 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid |
| Molecular Formula: | C11H8F6O4 |
| Molecular Weight: | 318.17 |
Flecainide impurity C
| Product Code: | Ax-IMP338 |
| CAS Number: | 152171-74-9 |
| Synonyms: | 4-hydroxy-N-(piperidin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide |
| Molecular Formula: | C17H20F6N2O4 |
| Molecular Weight: | 430.35 |
Flecainide impurity B
| Product Code: | Ax-IMP337 |
| CAS Number: | 22990-77-8 |
| Synonyms: | piperidin-2-ylmethanamine |
| Molecular Formula: | C6H14N2 |
| Molecular Weight: | 114.19 |