Febuxostat-impurities | Pharmaffiliates

febuxostat

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

PA 06 61510

2-(3-Carbamoyl-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic Acid


  • Catalogue No.:PA 06 61510

  • CAS :

    1239233-86-3

  • Molecular Formula : C16H18N2O4S

  • Molecular Weight : 334.39

PA 06 61520

2-Isobutoxy-5-(4-methylthiazol-2-yl) benzonitrile


  • Catalogue No.:PA 06 61520

  • CAS :

    1335202-60-2

  • Molecular Formula : C15H16N2OS

  • Molecular Weight : 272.37

PA 06 61530

2,2'-(4-Isobutoxy-1,3-phenylene)bis(4-methylthiazole-5-carboxylic Acid)


  • Catalogue No.:PA 06 61530

  • CAS :

    1330632-48-8

  • Molecular Formula : C20H20N2O5S2

  • Molecular Weight : 432.51

PA 06 61540

Ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 61540

  • CAS :

    160844-75-7

  • Molecular Formula : C18H20N2O3S

  • Molecular Weight : 344.43

PA 06 61550

Isopropyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 61550

  • CAS :

    1346238-10-5

  • Molecular Formula : C19H22N2O3S

  • Molecular Weight : 358.45

PA 06 61560

2-[4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylic Acid


  • Catalogue No.:PA 06 61560

  • CAS :

    1206550-99-3

  • Molecular Formula : C15H17NO3S

  • Molecular Weight : 291.37

PA 06 61580

Febuxostat Diacid Impurity


  • Catalogue No.:PA 06 61580

  • CAS :

    1239233-87-4

  • Molecular Formula : C16H17NO5S

  • Molecular Weight : 335.37

PA 06 61590

Febuxostat sec-Butoxy Acid


  • Catalogue No.:PA 06 61590

  • CAS :

    1335202-59-9

  • Molecular Formula : C16H16N2O3S

  • Molecular Weight : 316.37

PA 06 61600

Febuxostat tert-butoxy Acid


  • Catalogue No.:PA 06 61600

  • CAS :

    1530308-87-2

  • Molecular Formula : C16H16N2O3S

  • Molecular Weight : 316.37

PA 06 61610

Febuxostat Isopropoxy Acid


  • Catalogue No.:PA 06 61610

  • CAS :

    144060-52-6

  • Molecular Formula : C15H14N2O3S

  • Molecular Weight : 302.35

PA 06 61620

3-Cyano-4-hydroxybenzothioamide


  • Catalogue No.:PA 06 61620

  • CAS :

    NA

  • Molecular Formula : C8H6N2OS

  • Molecular Weight : 178.21

PA 06 61660

3-Descyano-3-((hydroxyimino)methyl) Febuxostat


  • Catalogue No.:PA 06 61660

  • CAS :

    1350352-70-3

  • Molecular Formula : C16H18N2O4S

  • Molecular Weight : 334.39

PA 06 61720

Methyl 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 61720

  • CAS :

    923942-34-1

  • Molecular Formula : C17H18N2O3S

  • Molecular Weight : 330.4

PA 06 61730

3-Descyano-3-formyl Febuxostat


  • Catalogue No.:PA 06 61730

  • CAS :

    144060-62-8

  • Molecular Formula : C16H17NO4S

  • Molecular Weight : 319.38

PA 06 61740

Desisobutyl Febuxostat


  • Catalogue No.:PA 06 61740

  • CAS :

    407582-48-3

  • Molecular Formula : C12H8N2O3S

  • Molecular Weight : 260.27

PA 06 61840

Ethyl 2-(3-(ethoxycarbonyl)-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 61840

  • CAS :

    1643131-93-4

  • Molecular Formula : C20H25NO5S

  • Molecular Weight : 391.48

PA 06 61850

Ethyl 2-(3-Formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 61850

  • CAS :

    161798-01-2

  • Molecular Formula : C14H13NO4S

  • Molecular Weight : 291.32

PA 06 0611000

Ethyl 2-(3,5-diformyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 0611000

  • CAS :

    2073891-59-3

  • Molecular Formula : C15H13NO5S

  • Molecular Weight : 319.33

PA 06 0611001

Ethyl 2-(3-cyano-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 0611001

  • CAS :

    161798-02-3

  • Molecular Formula : C14H12N2O3S

  • Molecular Weight : 288.32

PA 06 0611002

ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 0611002

  • CAS :

    2375033-35-3

  • Molecular Formula : C18H20N2O3S

  • Molecular Weight : 344.43

PA 06 0611003

Butyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 0611003

  • CAS :

    1619982-02-3

  • Molecular Formula : C20H24N2O3S

  • Molecular Weight : 372.48

PA 06 0611004

Ethyl 2-(4-butoxy-3-cyanophenyl)-4-methylthiazole-5-carboxylate


  • Catalogue No.:PA 06 0611004

  • CAS :

    2230270-05-8

  • Molecular Formula : C18H20N2O3S

  • Molecular Weight : 344.43

PA 06 0611005

Febuxostat Bromo Impurity


  • Catalogue No.:PA 06 0611005

  • CAS :

    144060-40-2

  • Molecular Formula : C15H16BrNO3S

  • Molecular Weight : 370.26

PA 06 0611006

Febuxostat Isopropyl Isomer Ethyl Ester


  • Catalogue No.:PA 06 0611006

  • CAS :

    144060-84-4

  • Molecular Formula : C17H18N2O3S

  • Molecular Weight : 330.4