Allopurinol - Impurity B — Impurity Reference Standard

Buy Allopurinol - Impurity B (CAS 22407-20-1) impurity reference standard from Spectrasynth Pharmachem. Custom synthesis available — enquire for pricing, COA and availability.

• Product Code: SSPC-A01190
• CAS No.: 22407-20-1
• Chemical Name: 3-(Formylamino)-1H-pyrazole-4-carboxamide
• Synonyms: 3-Formamidopyrazole-4-carboxamide; Allopurinol Impurity B; USP Allopurinol Related Compound B; Allopurinol EP Impurity B;
• Molecular Formula: C5H6N4O2
• Molecular Weight: 154.13
• Appearance: White to Off-White Solid
• Storage: 2-8°C Refrigerator
• Application: 5-Amino-4-pyrazolecarboxamide is used in the synthesis of 4H-3,1-Benzothiazinone analogs as antiproliferative agents against human cancer cell lines. Also, it is an intermediate used in the synthesis of 3-(4H-1,2,4-Triazol-4-yl)-1H-pyrazole-4-carboxamide which is an impurity of Allopurinol, which is a xanthine oxidase inhibitor, decreases uric acid production. Used in treatment of hyperuricemia and chronic gout. Antiurolithic.