Allopurinol Impurity B ;
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Allopurinol API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : Allopurinol Impurity B; Allopurinol Related Compound B; 5-Formylamino-1H-pyrazole-4-carboxamide (CAS: 22407-20-1)
Code: JCAPR-02 CAS: 22407-20-1 Chemical Formula: C5H6N4O2 Molecular Weight: 154.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock ; Contact: sales@drjcrbio.com Application: Manufacturer of Allopurinol Impurity B; Allopurinol Related Compound B; 5-Formylamino-1H-pyrazole-4-carboxamide (CAS: 22407-20-1) is useful as reference Impurity standard. 
