FIELD: chemistry.
SUBSTANCE: invention relates to the field of organic chemistry, namely to the 5-hydroxy-1H-imidazole-4-carboxamide hydrate crystal, where the crystal has diffraction peaks at diffraction angles of 8.1, 12.6, 17.1, 19.3, 20.3 and 21.6°, which are represented as 2θ in the picture of powder x-ray diffraction. Invention also relates to a pharmaceutical composition on its basis.
EFFECT: new crystal of 5-hydroxy-1H-imidazole-4-carboxamide hydrate was obtained, which has excellent storage stability.
2 cl, 16 dwg, 8 tbl, 27 ex
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