Allopurinol Impurity-A
Additional information
| CAS Number | 27511-79-1, 5334-31-6 (free base) |
|---|---|
| Molecular Weight | 350.3 |
| Chemical Formula | 2(C4H6N4O) : H2O4S |
| Chemical Name | 5-Amino-1H-pyrazole-4-carboxamide (as per EP) ; 3-Amino-4-carboxamidopyrazole (as per USP) |
