Allopurinol Impurity E

CAS Number	31055-19-3
Alternate CAS#	N/A
Molecular Formula	C7H9N3O3
Molecular Weight	183.16 g/mol
IUPAC Chemical Name	ethyl 5-formamido-1H-pyrazole-4-carboxylate
Synonyms	Allopurinol EP Impurity E; Allopurinol USP Related Compound E; 5-Formylamino-1H-pyrazole-4-carboxylic acid Ethyl Ester; Ethyl 5-(formylamino)-1H-pyrazole-4-carboxylate
USP Name	Allopurinol USP Related Compound E
EP Name	Allopurinol EP Impurity E
Appearance Specifications	White to Off-White Solid
Storage Condition	Refrigerator, under inert atmosphere, Protect from light
Material Type	Primary Standard
Melting Point	199 °C

Subtotal	$0.00
Total	$0.00

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