Pharma Reference Standard; Pharmaceutical/API Drug Impurities/Metabolites
API
ALLOPURINOL
CAS Number
27511-79-1
Alternate CAS Number
5334-31-6(Freebase)
HS Code
29339900
Molecular formula
2(C4H6N4O) : H2O4S
Molecular Weight
2(126.1) : 98.1 g/mol
Synonyms
3-Amino-Pyrazole-4-carboxamide Hemisulfate; Allopurinol Related Compound A; 5-Amino-1H-pyrazole-4-carboxylic acid amide
Chemical Name
5-Amino-1H-pyrazole-4-carboxamide
Appearance
Off-White to Pale Yellow Solid
Storage
2-8°C Refrigerator
Applications
The product can be used as reference standard.
Information
Allopurinol EP Impurity A (Sulfate) is supplied with detailed characterization data compliant with regulatory guideline. Allopurinol EP Impurity A (Sulfate) can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Allopurinol.
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Ambient
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Chemical Name: Allopurinol EP Impurity A (Sulfate)
Synonym: 3-Amino-Pyrazole-4-carboxamide Hemisulfate; Allopurinol Related Compound A; 5-Amino-1H-pyrazole-4-carboxylic acid amide