FIELD: chemistry.
SUBSTANCE: invention relates to organic chemistry, specifically to 5-hydroxy-1H-imidazole-4-carboxamide sulphate and its crystalline forms. Invention also relates to a pharmaceutical composition based on α-form, β-form or γ-form of 5-hydroxy-1H-imidazole-4-carboxamide sulphate.
EFFECT: obtained crystalline forms of 5-hydroxy-1H-imidazole-4-carboxamide sulphate, having useful biological activity, as well as such characteristics, as reduced blue staining, high degree of purity, low water absorption and excellent stability during storage.
10 cl, 10 dwg, 6 tbl, 9 ex
