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 ( [pname] => Allopurinol - Impurity A [catalogue_number] => PA 01 39010 [category_ids] => 82,80,79,78,71,70 [chemical_name] => [weight] => 175.16 [form] => C4H6N4O•0.5H2SO4 [cas] => 27511-79-1 [pslug] => 27511-79-1-allopurinol-impurity-a-pa0139010 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 01 39010
CAS :
Molecular Formula : C4H6N4O•0.5H2SO4
Molecular Weight : 175.16
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