allopurinol
Metabolites
- Allopurinol is a purine analog and it is a structural isomer of hypoxanthine. It is an inhibitor of the enzyme xanthine oxidase. Allopurinol is used to treat excess uric acid in the blood and gout. It is sold under the brand name Zyloprim. Reference standards of Allopurinol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object
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[pname] => 4,6-Dihydroxypyrazolo[3,4-d]pyrimidine-13C,15N2
[catalogue_number] => PA STI 033020
[category_ids] => ,71,76,75,85,83,78,70,82,98,
[chemical_name] =>
[weight] => 155.09
[form] => C413CH4N215N2O2
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4,6-Dihydroxypyrazolo[3,4-d]pyrimidine-13C,15N2
Catalogue No.:PA STI 033020
Molecular Formula : C413CH4N215N2O2
Molecular Weight : 155.09
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[pname] => Oxypurinol
[catalogue_number] => PA 01 0391000
[category_ids] => ,75,76,78,70,82,
[chemical_name] =>
[weight] => 152.11
[form] => C5H4N4O2
[cas] => 2465-59-0
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Catalogue No.:PA 01 0391000
Molecular Formula : C5H4N4O2
Molecular Weight : 152.11
stdClass Object
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[pname] => Allopurinol - Impurity F (Hydrate)
[catalogue_number] => PA 01 0390061
[category_ids] => ,82,78,76,75,70,
[chemical_name] =>
[weight] => NA
[form] => N2H4.xH20
[cas] => 10217-52-4
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Allopurinol - Impurity F (Hydrate)
stdClass Object
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[pname] => (E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester
[catalogue_number] => PA 01 0391001
[category_ids] => ,76,75,82,70,78,
[chemical_name] =>
[weight] => 278.26
[form] => C12H14N4O4
[cas] => 321571-07-7
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(E/Z)-3-[(2-Cyano-3-ethoxy-3-oxo-1-propenyl)amino]-1H-Pyrazole-4-carboxylic Acid Ethyl Ester
Catalogue No.:PA 01 0391001
Molecular Formula : C12H14N4O4
Molecular Weight : 278.26
stdClass Object
(
[pname] => Allopurinol Impurity A (IMP/03/17)
[catalogue_number] => PA IMP 03 17
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Allopurinol Impurity A (IMP/03/17)
stdClass Object
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[pname] => N-Nitroso Allopurinol
[catalogue_number] => PA 01 0391002
[category_ids] => ,70,75,76,78,82,162,
[chemical_name] =>
[weight] => 165.11
[form] => C5H3N5O2
[cas] => NA
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Catalogue No.:PA 01 0391002
Molecular Formula : C5H3N5O2
Molecular Weight : 165.11
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[pname] => 9-Nitroso-9H-purin-6-ol
[catalogue_number] => PA 01 0391003
[category_ids] => ,70,75,76,78,82,162,
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[weight] => 165.11
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Catalogue No.:PA 01 0391003
Molecular Formula : C5H3N5O2
Molecular Weight : 165.11
