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
Febuxostat
Catalogue No.:PA 06 61000
CAS :
Molecular Formula : C16H16N2O3S
Molecular Weight : 316.37
2-(3-Carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 61510
Molecular Formula : C16H18N2O4S
Molecular Weight : 334.39
2-Isobutoxy-5-(4-methylthiazol-2-yl) benzonitrile
Catalogue No.:PA 06 61520
Molecular Formula : C15H16N2OS
Molecular Weight : 272.37
2,2'-(4-Isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic Acid)
Catalogue No.:PA 06 61530
Molecular Formula : C20H20N2O5S2
Molecular Weight : 432.51
Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 61540
Molecular Formula : C18H20N2O3S
Molecular Weight : 344.43
Isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 61550
Molecular Formula : C19H22N2O3S
Molecular Weight : 358.45
2-[4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 61560
Molecular Formula : C15H17NO3S
Molecular Weight : 291.37
Febuxostat Acyl-β-D-glucuronide
Catalogue No.:PA 06 61570
Molecular Formula : C22H24N2O9S
Molecular Weight : 492.5
Febuxostat Diacid Impurity
Catalogue No.:PA 06 61580
Molecular Formula : C16H17NO5S
Molecular Weight : 335.37
Febuxostat sec-Butoxy Acid
Catalogue No.:PA 06 61590
Febuxostat tert-butoxy Acid
Catalogue No.:PA 06 61600
Febuxostat Isopropoxy Acid
Catalogue No.:PA 06 61610
Molecular Formula : C15H14N2O3S
Molecular Weight : 302.35
3-Cyano-4-hydroxybenzothioamide
Catalogue No.:PA 06 61620
Molecular Formula : C8H6N2OS
Molecular Weight : 178.21
Febuxostat Dithioamide impurity
Catalogue No.:PA 06 61630
Molecular Formula : C12H16N2OS2
Molecular Weight : 268.4
Febuxostat Dicyano Impurity
Catalogue No.:PA 06 61640
Molecular Formula : C12H12N2O
Molecular Weight : 200.24
Febuxostat Dicyano Nitro Impurity
Catalogue No.:PA 06 61650
Molecular Formula : C8H3N3O2
Molecular Weight : 173.13
3-Descyano-3-((hydroxyimino)methyl) Febuxostat
Catalogue No.:PA 06 61660
2-Hydroxybenzothioamide
Catalogue No.:PA 06 61670
Molecular Formula : C7H7NOS
Molecular Weight : 153.2
Ethyl 2-Chloracetoacetate
Catalogue No.:PA 06 61680
Molecular Formula : C6H9ClO3
Molecular Weight : 164.59
Methyl 4-chloroacetoacetate
Catalogue No.:PA 06 61690
Molecular Formula : C5H7ClO3
Molecular Weight : 150.56
Ethyl 2,4-dichloro-3-oxobutanoate
Catalogue No.:PA 06 61700
Molecular Formula : C6H8Cl2O3
Molecular Weight : 199.03
Methyl Acetoacetate
Catalogue No.:PA 06 61710
Molecular Formula : C5H8O3
Molecular Weight : 116.12
Methyl 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 61720
Molecular Formula : C17H18N2O3S
Molecular Weight : 330.4
3-Descyano-3-formyl Febuxostat
Catalogue No.:PA 06 61730
Molecular Formula : C16H17NO4S
Molecular Weight : 319.38
Desisobutyl Febuxostat
Catalogue No.:PA 06 61740
Molecular Formula : C12H8N2O3S
Molecular Weight : 260.27
Febuxostat-d9
Catalogue No.:PA STI 040630
Molecular Formula : C16H7D9N2O3S
Molecular Weight : 325.43
Febuxostat-d7
Catalogue No.:PA STI 040640
Molecular Formula : C16H9D7N2O3S
Molecular Weight : 323.42
1-(3-Hydroxyphenyl)-1-propanone
Catalogue No.:PA 06 61750
Molecular Formula : C9H10O2
Molecular Weight : 150.18
3'-Methoxybutyrophenone
Catalogue No.:PA 06 61760
Molecular Formula : C11H14O2
Molecular Weight : 178.23
3'-Methoxy-2-methylpropiophenone
Catalogue No.:PA 06 61770
4-Hydroxythiobenzamide
Catalogue No.:PA 06 61780
3-Descyano-3-ethoxycarbonyl Febuxostat
Catalogue No.:PA 06 61790
Molecular Formula : C18H21NO5S
Molecular Weight : 363.43
3-Hydroxybenzene-1-carbothioamide
Catalogue No.:PA 06 61800
Ethyl 2,2-dichloro-3-oxobutanoate
Catalogue No.:PA 06 61810
2-[3-[(Hydroxyimino)methyl]-4-(2-methylpropoxy)phenyl]-4-methyl-5-Thiazolecarboxylic Acid Ethyl Ester
Catalogue No.:PA 06 61820
Molecular Formula : C18H22N2O4S
Molecular Weight : 362.44
Febuxostat n-Butyl Isomer
Catalogue No.:PA 06 61830
Molecular Weight : 316.38
Ethyl 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PAI 06 012010
Molecular Formula : C13H13NO3S
Molecular Weight : 263.31
3-Descyano Febuxostat Ethyl Ester
Catalogue No.:PAI 06 012020
Molecular Formula : C17H21NO3S
Molecular Weight : 319.42
Ethyl 2-(3-(ethoxycarbonyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 61840
Molecular Formula : C20H25NO5S
Molecular Weight : 391.48
Ethyl 2-(3-Formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 61850
Molecular Formula : C14H13NO4S
Molecular Weight : 291.32
Ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611000
Molecular Formula : C15H13NO5S
Molecular Weight : 319.33
Ethyl 2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611001
Molecular Formula : C14H12N2O3S
Molecular Weight : 288.32
ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611002
Butyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611003
Molecular Formula : C20H24N2O3S
Molecular Weight : 372.48
Ethyl 2-(4-butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611004
Febuxostat Bromo Impurity
Catalogue No.:PA 06 0611005
Molecular Formula : C15H16BrNO3S
Molecular Weight : 370.26
Febuxostat Isopropyl Isomer Ethyl Ester
Catalogue No.:PA 06 0611006
Ethyl 2-(3-formyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611007
Molecular Formula : C18H21NO4S
Molecular Weight : 347.43
2-(3-Formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 0611008
Molecular Formula : C12H9NO4S
Molecular Weight : 263.27
3-Cyano-4-isobutyloxythiobenzamide
Catalogue No.:PA 06 0611009
Molecular Formula : C12H14N2OS
Molecular Weight : 234.32
2-(3-Cyano-4-propoxyphenyl)-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 0611010
Ethyl 2-(3-formyl-4-methoxyphenyl)-4-methylthiazole-5-carboxylate
Catalogue No.:PA 06 0611011
Molecular Formula : C15H15NO4S
Molecular Weight : 305.35
Diethyl 2,2'-(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylate)
Catalogue No.:PA 06 0611012
Molecular Formula : C24H28N2O5S2
Molecular Weight : 488.62
2-(3-Cyano-4-(3-hydroxy-2-methylpropoxy)phenyl)-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 0611013
Molecular Formula : C16H16N2O4S
Molecular Weight : 332.37
2-(3-Cyano-4-(2-hydroxy-2-methylpropoxy)phenyl)-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 0611014
2-(4-(2-Carboxypropoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic Acid
Catalogue No.:PA 06 0611015
Molecular Formula : C16H14N2O5S
Molecular Weight : 346.36
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