Febuxostat is used to treat chronic gout and hyperuricemia. It is sold under the brand names Uloric among others, is a medication used long-term to treat gout due to high uric acid levels.. Reference standards of Febuxostat API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
stdClass Object ( [pname] => 2-(3-Carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic Acid [catalogue_number] => PA 06 61510 [category_ids] => ,71,75,81,78,70,82, [chemical_name] => [weight] => 334.39 [form] => C16H18N2O4S [cas] => 1239233-86-3 [pslug] => 1239233-86-3-2-3-carbamoyl-4-isobutoxyphenyl-4-methylthiazole-5-carboxylic-acid-pa0661510 [latest_product] => 0 [linkproducts] => 0 [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 06 61510
CAS :
Molecular Formula : C16H18N2O4S
Molecular Weight : 334.39
stdClass Object ( [pname] => 2-Isobutoxy-5-(4-methylthiazol-2-yl) benzonitrile [catalogue_number] => PA 06 61520 [category_ids] => ,71,75,81,78,70,82, [chemical_name] => [weight] => 272.37 [form] => C15H16N2OS [cas] => 1335202-60-2 [pslug] => 1335202-60-2-2-isobutoxy-5-4-methylthiazol-2-yl-benzonitrile-pa0661520 [latest_product] => 0 [linkproducts] => 0 [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 06 61520
Molecular Formula : C15H16N2OS
Molecular Weight : 272.37
stdClass Object ( [pname] => 2,2'-(4-Isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic Acid) [catalogue_number] => PA 06 61530 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 432.51 [form] => C20H20N2O5S2 [cas] => 1330632-48-8 [pslug] => 1330632-48-8-2-2-4-isobutoxy-1-3-phenylene-bis-4-methylthiazole-5-carboxylic-acid-pa0661530 [latest_product] => 0 [linkproducts] => 0 [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 06 61530
Molecular Formula : C20H20N2O5S2
Molecular Weight : 432.51
stdClass Object ( [pname] => Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 61540 [category_ids] => ,71,75,78,70,82, [chemical_name] => [weight] => 344.43 [form] => C18H20N2O3S [cas] => 160844-75-7 [pslug] => 160844-75-7-ethyl-2-3-cyano-4-isobutoxyphenyl-4-methylthiazole-5-carboxylate-pa0661540 [latest_product] => 0 [linkproducts] => 0 [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 06 61540
Molecular Formula : C18H20N2O3S
Molecular Weight : 344.43
stdClass Object ( [pname] => Isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 61550 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 358.45 [form] => C19H22N2O3S [cas] => 1346238-10-5 [pslug] => 1346238-10-5-isopropyl-2-3-cyano-4-isobutoxyphenyl-4-methylthiazole-5-carboxylate-pa0661550 [latest_product] => 0 [linkproducts] => 0 [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 06 61550
Molecular Formula : C19H22N2O3S
Molecular Weight : 358.45
stdClass Object ( [pname] => 2-[4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic Acid [catalogue_number] => PA 06 61560 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 291.37 [form] => C15H17NO3S [cas] => 1206550-99-3 [pslug] => 1206550-99-3-2-4-2-methylpropoxy-phenyl-4-methylthiazole-5-carboxylic-acid-pa0661560 [latest_product] => 0 [linkproducts] => 0 [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 06 61560
Molecular Formula : C15H17NO3S
Molecular Weight : 291.37
stdClass Object ( [pname] => Febuxostat Diacid Impurity [catalogue_number] => PA 06 61580 [category_ids] => ,80,71,75,78,70,82, [chemical_name] => [weight] => 335.37 [form] => C16H17NO5S [cas] => 1239233-87-4 [pslug] => 1239233-87-4-febuxostat-diacid-impurity-pa0661580 [latest_product] => 0 [linkproducts] => 0 [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 06 61580
Molecular Formula : C16H17NO5S
Molecular Weight : 335.37
stdClass Object ( [pname] => Febuxostat sec-Butoxy Acid [catalogue_number] => PA 06 61590 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 316.37 [form] => C16H16N2O3S [cas] => 1335202-59-9 [pslug] => 1335202-59-9-febuxostat-sec-butoxy-acid-pa0661590 [latest_product] => 0 [linkproducts] => 0 [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 06 61590
Molecular Formula : C16H16N2O3S
Molecular Weight : 316.37
stdClass Object ( [pname] => Febuxostat tert-butoxy Acid [catalogue_number] => PA 06 61600 [category_ids] => 88,82,80,78,75,71,70 [chemical_name] => [weight] => 316.37 [form] => C16H16N2O3S [cas] => 2418591-43-0 [pslug] => 2418591-43-0-febuxostat-tert-butoxy-acid-pa0661600 [latest_product] => 0 [linkproducts] => 0 [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 06 61600
stdClass Object ( [pname] => Febuxostat Isopropoxy Acid [catalogue_number] => PA 06 61610 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 302.35 [form] => C15H14N2O3S [cas] => 144060-52-6 [pslug] => 144060-52-6-febuxostat-isopropoxy-acid-pa0661610 [latest_product] => 0 [linkproducts] => 0 [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 06 61610
Molecular Formula : C15H14N2O3S
Molecular Weight : 302.35
stdClass Object ( [pname] => 3-Cyano-4-hydroxybenzothioamide [catalogue_number] => PA 06 61620 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 178.21 [form] => C8H6N2OS [cas] => 2518081-69-9 [pslug] => 2518081-69-9-3-cyano-4-hydroxybenzothioamide-pa0661620 [latest_product] => 0 [linkproducts] => 0 [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 06 61620
Molecular Formula : C8H6N2OS
Molecular Weight : 178.21
stdClass Object ( [pname] => 3-Descyano-3-((hydroxyimino)methyl) Febuxostat [catalogue_number] => PA 06 61660 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 334.39 [form] => C16H18N2O4S [cas] => 1350352-70-3 [pslug] => 1350352-70-3-3-descyano-3-hydroxyimino-methyl-febuxostat-pa0661660 [latest_product] => 0 [linkproducts] => 0 [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 06 61660
stdClass Object ( [pname] => Methyl 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 61720 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 330.4 [form] => C17H18N2O3S [cas] => 923942-34-1 [pslug] => 923942-34-1-methyl-2-3-cyano-4-2-methylpropoxy-phenyl-4-methylthiazole-5-carboxylate-pa0661720 [latest_product] => 0 [linkproducts] => 0 [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 06 61720
Molecular Formula : C17H18N2O3S
Molecular Weight : 330.4
stdClass Object ( [pname] => 3-Descyano-3-formyl Febuxostat [catalogue_number] => PA 06 61730 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 319.38 [form] => C16H17NO4S [cas] => 144060-62-8 [pslug] => 144060-62-8-3-descyano-3-formyl-febuxostat-pa0661730 [latest_product] => 0 [linkproducts] => 0 [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 06 61730
Molecular Formula : C16H17NO4S
Molecular Weight : 319.38
stdClass Object ( [pname] => Desisobutyl Febuxostat [catalogue_number] => PA 06 61740 [category_ids] => ,80,71,75,78,70,82,88, [chemical_name] => [weight] => 260.27 [form] => C12H8N2O3S [cas] => 407582-48-3 [pslug] => 407582-48-3-desisobutyl-febuxostat-pa0661740 [latest_product] => 0 [linkproducts] => 0 [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 06 61740
Molecular Formula : C12H8N2O3S
Molecular Weight : 260.27
stdClass Object ( [pname] => Ethyl 2-(3-(ethoxycarbonyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 61840 [category_ids] => ,71,75,81,78,70,82, [chemical_name] => [weight] => 391.48 [form] => C20H25NO5S [cas] => 1643131-93-4 [pslug] => 1643131-93-4-ethyl-2-3-ethoxycarbonyl-4-isobutoxyphenyl-4-methylthiazole-5-carboxylate-pa0661840 [latest_product] => 0 [linkproducts] => 0 [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 06 61840
Molecular Formula : C20H25NO5S
Molecular Weight : 391.48
stdClass Object ( [pname] => Ethyl 2-(3-Formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 61850 [category_ids] => ,71,75,81,78,70,82, [chemical_name] => [weight] => 291.32 [form] => C14H13NO4S [cas] => 161798-01-2 [pslug] => 161798-01-2-ethyl-2-3-formyl-4-hydroxyphenyl-4-methylthiazole-5-carboxylate-pa0661850 [latest_product] => 0 [linkproducts] => 0 [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 06 61850
Molecular Formula : C14H13NO4S
Molecular Weight : 291.32
stdClass Object ( [pname] => Ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 0611000 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 319.33 [form] => C15H13NO5S [cas] => 2073891-59-3 [pslug] => 2073891-59-3-ethyl-2-3-5-diformyl-4-hydroxyphenyl-4-methylthiazole-5-carboxylate-pa060611000 [latest_product] => 0 [linkproducts] => 0 [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 06 0611000
Molecular Formula : C15H13NO5S
Molecular Weight : 319.33
stdClass Object ( [pname] => Ethyl 2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 0611001 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 288.32 [form] => C14H12N2O3S [cas] => 161798-02-3 [pslug] => 161798-02-3-ethyl-2-3-cyano-4-hydroxyphenyl-4-methylthiazole-5-carboxylate-pa060611001 [latest_product] => 0 [linkproducts] => 0 [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 06 0611001
Molecular Formula : C14H12N2O3S
Molecular Weight : 288.32
stdClass Object ( [pname] => ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 0611002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 344.43 [form] => C18H20N2O3S [cas] => 2375033-35-3 [pslug] => 2375033-35-3-ethyl-2-4-sec-butoxy-3-cyanophenyl-4-methylthiazole-5-carboxylate-pa060611002 [latest_product] => 0 [linkproducts] => 0 [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 06 0611002
stdClass Object ( [pname] => Butyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 0611003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 372.48 [form] => C20H24N2O3S [cas] => 1619982-02-3 [pslug] => 1619982-02-3-butyl-2-3-cyano-4-isobutoxyphenyl-4-methylthiazole-5-carboxylate-pa060611003 [latest_product] => 0 [linkproducts] => 0 [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 06 0611003
Molecular Formula : C20H24N2O3S
Molecular Weight : 372.48
stdClass Object ( [pname] => Ethyl 2-(4-butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 0611004 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 344.43 [form] => C18H20N2O3S [cas] => 2230270-05-8 [pslug] => 2230270-05-8-ethyl-2-4-butoxy-3-cyanophenyl-4-methylthiazole-5-carboxylate-pa060611004 [latest_product] => 0 [linkproducts] => 0 [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 06 0611004
stdClass Object ( [pname] => Febuxostat Bromo Impurity [catalogue_number] => PA 06 0611005 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 370.26 [form] => C15H16BrNO3S [cas] => 144060-40-2 [pslug] => 144060-40-2-febuxostat-bromo-impurity-pa060611005 [latest_product] => 0 [linkproducts] => 0 [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 06 0611005
Molecular Formula : C15H16BrNO3S
Molecular Weight : 370.26
stdClass Object ( [pname] => Febuxostat Isopropyl Isomer Ethyl Ester [catalogue_number] => PA 06 0611006 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 330.4 [form] => C17H18N2O3S [cas] => 144060-84-4 [pslug] => 144060-84-4-febuxostat-isopropyl-isomer-ethyl-ester-pa060611006 [latest_product] => 0 [linkproducts] => 0 [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 06 0611006
stdClass Object ( [pname] => Ethyl 2-(3-formyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate [catalogue_number] => PA 06 0611007 [category_ids] => ,75,76,78,82, [chemical_name] => [weight] => 347.43 [form] => C18H21NO4S [cas] => 161798-03-4 [pslug] => 161798-03-4-ethyl-2-3-formyl-4-isobutoxyphenyl-4-methylthiazole-5-carboxylate-pa060611007 [latest_product] => 0 [linkproducts] => 0 [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 06 0611007
Molecular Formula : C18H21NO4S
Molecular Weight : 347.43
stdClass Object ( [pname] => 2-(3-Cyano-4-propoxyphenyl)-4-methylthiazole-5-carboxylic Acid [catalogue_number] => PA 06 0611010 [category_ids] => ,75,78,70,82, [chemical_name] => [weight] => 302.35 [form] => C15H14N2O3S [cas] => 1530308-87-2 [pslug] => 1530308-87-2-2-3-cyano-4-propoxyphenyl-4-methylthiazole-5-carboxylic-acid-pa060611010 [latest_product] => 0 [linkproducts] => 0 [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 06 0611010
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