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Pack SizeQuantityPrice (USD)Sub Total
250mg
$ 160.000.0
2.5g
$ 1260.000.0
Exact Weight Packaging
$ 75.00 / Vial 0.0
Total$ 0.0
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Product Description

Catalogue Number:F696750
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
Impurity:Allopurinol EP Impurity B / Allopurinol USP Related Compound B
CAS Number:22407-20-1
Molecular Formula:C₅H₆N₄O₂
Appearance:White to Off-White Solid
Melting Point:>200ºC (dec.)
Molecular Weight:154.13
Storage:Hygroscopic, -20°C Freezer, Under inert atmosphere
Solubility:DMSO (Slightly), Methanol (Slightly)
Category: Standards; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:3-(Formylamino)-1H-pyrazole-4-carboxamide (Allopurinol EP Impurity B) is an impurity of Allopurinol (A547300) with inhibitory effects on human hypoxanthine phosphoribosyltransferase.
References