Febuxostat
22 Results Found
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Febuxostat API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : Febuxostat Methyl Ester ; Methyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate
Code: JCFBX-22 CAS: NA Chemical Formula: C17H18N2O3S Molecular Weight: 330.4 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Methyl Ester ; Methyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate is useful as reference Impurity standard 
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Product Name : Febuxostat Isopropyl Ether Analog ; 2-[3-Cyano-4-(isopropyloxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-52-6
Code: JCFBX-21 CAS: 144060-52-6 Chemical Formula: C15H14N2O3S Molecular Weight: 302.35 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Isopropyl Ether Analog ; 2-[3-Cyano-4-(isopropyloxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-52-6 is useful as reference Impurity standard ![Febuxostat Isopropyl Ether Analog ; 2-[3-Cyano-4-(isopropyloxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-52-6](http://drjcrbio.com/wp-content/uploads/fe-18.png)
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Product Name : Febuxostat Isopropyl Ester ; Isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate | 1346238-10-5
Code: JCFBX-20 CAS: 1346238-10-5 Chemical Formula: C19H22N2O3S Molecular Weight: 358.45 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Isopropyl Ester ; Isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate | 1346238-10-5 is useful as reference Impurity standard 
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Product Name : Febuxostat Ethyl Ester ; Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate | 160844-75-7
Code: JCFBX-19 CAS: 160844-75-7 Chemical Formula: C18H20N2O3S Molecular Weight: 344.43 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Ethyl Ester ; Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate | 160844-75-7 is useful as reference Impurity standard 
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Product Name : Febuxostat Dimethylthiazole Ethyl Ester Impurity ; Ethyl 2,4-dimethylthiazole-5-carboxylate | 7210-77-7
Code: JCFBX-18 CAS: 7210-77-7 Chemical Formula: C8H11NO2S Molecular Weight: Category: Reference Standard185.24s/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Dimethylthiazole Ethyl Ester Impurity ; Ethyl 2,4-dimethylthiazole-5-carboxylate | 7210-77-7 is useful as reference Impurity standard 
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Product Name : Febuxostat Dicarboxylic Acid Impurity ; 2-[3-Carboxy-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic acid | 1239233-87-4
Code: JCFBX-17 CAS: 1239233-87-4 Chemical Formula: C16H17NO5S Molecular Weight: 335.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Dicarboxylic Acid Impurity ; 2-[3-Carboxy-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic acid | 1239233-87-4 is useful as reference Impurity standard ![Febuxostat Dicarboxylic Acid Impurity ; 2-[3-Carboxy-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic acid | 1239233-87-4](http://drjcrbio.com/wp-content/uploads/fe-13.png)
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Product Name : Febuxostat Descyano Impurity ;3-Descyano Febuxostat ; 2-(4-Isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | 1206550-99-3
Code: JCFBX-16 CAS: 1206550-99-3 Chemical Formula: C15H17NO3S Molecular Weight: 291.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Descyano Impurity ;3-Descyano Febuxostat ; 2-(4-Isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | 1206550-99-3 is useful as reference Impurity standard 
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Product Name : Febuxostat Descyano Hydroxy Impurity ;3-Descyano 4-Desisobutyl Febuxostat ; 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylic acid | 886501-78-6
Code: JCFBX-15 CAS: 886501-78-6 Chemical Formula: C11H9NO3S Molecular Weight: 235.26 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Descyano Hydroxy Impurity ;3-Descyano 4-Desisobutyl Febuxostat ; 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylic acid | 886501-78-6 is useful as reference Impurity standard 
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Product Name : Febuxostat Descyano Hydroxy Ethyl Ester ; 3-Descyano 4-Desisobutyl Febuxostat Ethyl Ester ; 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester | 161797-99-5
Code: JCFBX-14 CAS: 161797-99-5 Chemical Formula: C13H13NO3S Molecular Weight: 263.31 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Descyano Hydroxy Ethyl Ester ; 3-Descyano 4-Desisobutyl Febuxostat Ethyl Ester ; 2-(4-Hydroxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester | 161797-99-5 is useful as reference Impurity standard 
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Product Name : Febuxostat Descyano Ethyl Ester ;3-Descyano Febuxostat Ethyl Ester ; 2-(4-Isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester | 144060-97-9
Code: JCFBX-13 CAS: 144060-97-9 Chemical Formula: C17H21NO3S Molecular Weight: 319.42 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Descyano Ethyl Ester ;3-Descyano Febuxostat Ethyl Ester ; 2-(4-Isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid ethyl ester | 144060-97-9 is useful as reference Impurity standard 
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Product Name : Febuxostat Descarboxy Impurity ;Febuxostat Amide Impurity ; 2-Isobutoxy-5-(4-methylthiazol-2-yl) benzonitrile | 1335202-60-2
Code: JCFBX-12 CAS: 1335202-60-2 Chemical Formula: C15H16N2OS Molecular Weight: 272.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Descarboxy Impurity ;Febuxostat Amide Impurity ; 2-Isobutoxy-5-(4-methylthiazol-2-yl) benzonitrile | 1335202-60-2 is useful as reference Impurity standard 
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Product Name : Febuxostat Butyl Ether Analog ; 2-[3-Cyano-4-(butyloxy)phenyl]-4-methylthiazole-5-carboxylic acid | 1657014-33-9
Code: JCFBX-11 CAS: 1657014-33-9 Chemical Formula: C16H16N2O3S Molecular Weight: 316.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Febuxostat Butyl Ether Analog ; 2-[3-Cyano-4-(butyloxy)phenyl]-4-methylthiazole-5-carboxylic acid | 1657014-33-9is useful as reference Impurity standard ![Febuxostat Butyl Ether Analog ; 2-[3-Cyano-4-(butyloxy)phenyl]-4-methylthiazole-5-carboxylic acid | 1657014-33-9](http://drjcrbio.com/wp-content/uploads/fe-7.png)
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Product Name : Febuxostat Bromo Impurity ; 2-[3-Bromo-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-40-2
Code: JCFBX-10 CAS: 144060-40-2 Chemical Formula: C15H16BrNO3S Molecular Weight: 370.26 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Bromo Impurity ; 2-[3-Bromo-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-40-2 is useful as reference Impurity standard ![Febuxostat Bromo Impurity ; 2-[3-Bromo-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-40-2](http://drjcrbio.com/wp-content/uploads/fe-6.png)
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Product Name : Febuxostat Amide Impurity ; 2-(3-Carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | 1239233-86-3
Code: JCFBX-09 CAS: 1239233-86-3 Chemical Formula: C16H18N2O4S Molecular Weight: 334.39 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Febuxostat Amide Impurity ; 2-(3-Carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid | 1239233-86-3 is useful as reference Impurity standard 
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Product Name : Febuxostat Acyl-β-D-Glucuronide ; 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylate β-D-glucopyranuronic acid | 1351692-92-6
Code: JCFBX-08 CAS: 1351692-92-6 Chemical Formula: C22H24N2O9S Molecular Weight: 492.5 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Acyl-β-D-Glucuronide ; 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylate β-D-glucopyranuronic acid | 1351692-92-6 is useful as reference Impurity standard ![Febuxostat Acyl-β-D-Glucuronide ; 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylate β-D-glucopyranuronic acid | 1351692-92-6](http://drjcrbio.com/wp-content/uploads/fe-4.png)
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Product Name : Febuxostat 4-Hydroxy Ethyl Ester ; 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid ethyl ester | 161798-02-3
Code: JCFBX-07 CAS:161798-02-3 Chemical Formula: C14H12N2O3S Molecular Weight: 288.32 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat 4-Hydroxy Ethyl Ester ; 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid ethyl ester | 161798-02-3 is useful as reference Impurity standard 
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Product Name : Febuxostat 4-Hydroxy Acid Impurity ; 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid
Code: JCFBX-06 CAS: Chemical Formula: C12H8N2O3S Molecular Weight: 260.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat 4-Hydroxy Acid Impurity ; 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic acid is useful as reference Impurity standard 
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Product Name : Febuxostat Dithiazole Acid Impurity ; 2,2’-(4-Isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic acid) | 1330632-48-8
Code: JCFBX-05 CAS: 1330632-48-8 Chemical Formula: C20H20N2O5S2 Molecular Weight: 432.51 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Dithiazole Acid Impurity ; 2,2’-(4-Isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic acid) | 1330632-48-8 is useful as reference Impurity standard 
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Product Name : Febuxostat Impurity (Dimethyl 2,2′ -(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylate)
Code: JCFBX-04 CAS: Chemical Formula: C22H24N2O5S2 Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Impurity (Dimethyl 2,2' -(4-isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylate) is useful as reference Impurity standard 
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Product Name : Febuxostat Impurity (4-Isobutoxy benzene-1,3- bis(carbothio amide)
Code: JCFBX-03 CAS: Chemical Formula: C12H16N2OS2 Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Impurity (4-Isobutoxy benzene-1,3- bis(carbothio amide) is useful as reference Impurity standard 
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Product Name : Febuxostat ; 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-53-7
Code: JCFBX-02 CAS: 144060-53-7 Chemical Formula: C16H16N2O3S Molecular Weight: 316.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat ; 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-53-7 is useful as reference Impurity standard ![Febuxostat ; 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic acid | 144060-53-7](https://drjcrbio.com/wp-content/uploads/fe-3-1.png)
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Product Name : Febuxostat Impurity (2-(3-carboxy-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid)
Code: JCFBX-01 CAS: Chemical Formula: C16H17NO5S Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Febuxostat Impurity (2-(3-carboxy-4-isobutyloxyphenyl)-4-methylthiazole-5-carboxylic acid) is useful as reference Impurity standard 
