Allopurinol EP Impurity E CAS 31055-19-3

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.31055-19-3
Molecular FormulaC7H9N3O3
Molecular Weight183.16 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Allopurinol EP Impurity E CAS 31055-19-3 chemical structure

Description

Allopurinol EP Impurity E (CAS 31055-19-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C7H9N3O3. Molecular weight: 183.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC7H9N3O3
Molecular Weight183.16 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms3

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