| CAS No | 27511-79-1 |
| Category | ALLOPURINOL. |
| Product Code | RBPL-A1501 |
| M.Formula | 2(C4H6N4O) : H2O4S |
| M.Weight | 2(126.1) : 98.1 |
| IUPAC | 5-amino-1H-pyrazole-4-carboxamide ; 3-Amino-1H-pyrazole-4-carboxamide Hemisulfate ; 3-Amino-pyrazole-4-carboxylic acid amide |
| Synonyms | Allopurinol EP Impurity A |
