We are engaged in supplying Allopurinol,So for your requirement of this product please feel free to contact us. Chemical name:4-Hydroxypyrazolo[3 4-d]pyrimidine,1H-Pyrazolo[3 4-d]pyrimidin-4-ol,HPP CAS NO: 315-30-0 Molecular formula:C5H4N4O Molecular weight :136.11
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