Allopurinol EP Impurity A Allopurinol
| Impurity Details | ||
| CAS No | : | 27511-79-1 (free base) |
| M. Formula | : | C4H6N4O (free base) ,C4H6N4O . ½ H2SO4 |
| M.Wt | : | 126.12,175.16 |
| CAT No | : | GVP-ALP01S |
| Synonyms: Allopurinol EP Impurity A ;Allopurinol USP RC A ;5-Amino-1H-pyrazole-4-carboxamide hemisulfate | ||
