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    Home / LEFLUNOMIDE / Leflunomide EP Impurity H
    Leflunomide EP Impurity H

    Leflunomide EP Impurity H

    Synonym

    2-cyano-N-(4-(trifluoromethyl)phenyl)acetamide

    Molecular Formula

    C10H7F3N2O

    Molecular Weight

    228.18

    Catalogue Number

    AR-L01303

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    24522-30-3

    Common Package:10,25,50,100 mg

    Collections: LEFLUNOMIDE

    Category: 24522-30-3 AR-L01303 C10H7F3N2O LEFLUNOMIDE

    RELATED PRODUCTS
    3-Methylisoxazole-4-carboxylic Acid

    Synonym

    3-methylisoxazole-4-carboxylicacid

    Molecular Formula

    C5H5NO3

    Molecular Weight

    127.10

    Catalogue Number

    AR-L01313

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    17153-20-7
    2-cyano-2-hydroxy-N-(4-(trifluoromethyl)phenyl)acetamide

    Synonym

    2-cyano-2-hydroxy-N-(4-(trifluoromethyl)phenyl)acetamide

    Molecular Formula

    C10H7F3N2O2

    Molecular Weight

    244.17

    Catalogue Number

    AR-L01312

    Parent Drug

    LEFLUNOMIDE
    N1-(4-(trifluoromethyl)phenyl)oxalamide

    Synonym

    N1-(4-(trifluoromethyl)phenyl)oxalamide

    Molecular Formula

    C9H7F3N2O2

    Molecular Weight

    232.16

    Catalogue Number

    AR-L01311

    Parent Drug

    LEFLUNOMIDE
    (Z)-2-cyano-3-hydroxy-N-(3-(trifluoromethyl)phenyl)but-2-enamide

    Synonym

    (Z)-2-cyano-3-hydroxy-N-(3-(trifluoromethyl)phenyl)but-2-enamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01310

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    62004-05-1
    3-oxo-3-((4-(trifluoromethyl)phenyl)amino)propanoicacid

    Synonym

    3-oxo-3-((4-(trifluoromethyl)phenyl)amino)propanoicacid

    Molecular Formula

    C10H8F3NO3

    Molecular Weight

    247.17

    Catalogue Number

    AR-L01309

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    827029-20-9
    (Z)-2-cyano-N-(4-cyanophenyl)-3-hydroxybut-2-enamide

    Synonym

    (Z)-2-cyano-N-(4-cyanophenyl)-3-hydroxybut-2-enamide

    Molecular Formula

    C12H9N3O2

    Molecular Weight

    227.22

    Catalogue Number

    AR-L01308

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    202057-74-7
    Leflunomide Related Compound (Methyl 5-methyl-1,2-oxazole-3-carboxylate)

    Synonym

    methyl5-methylisoxazole-3-carboxylate

    Molecular Formula

    C6H7NO3

    Molecular Weight

    141.13

    Catalogue Number

    AR-L01307

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    19788-35-3
    Leflunomide Metabolite Ethyl Analog

    Synonym

    (Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)pent-2-enamide

    Molecular Formula

    C13H11F3N2O2

    Molecular Weight

    284.24

    Catalogue Number

    AR-L01306

    Parent Drug

    LEFLUNOMIDE
    Ethyl 3-methylisoxazole-4-carboxylate

    Synonym

    ethyl3-methylisoxazole-4-carboxylate

    Molecular Formula

    C7H9NO3

    Molecular Weight

    155.15

    Catalogue Number

    AR-L01305

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    20328-15-8
    Teriflunomide-E Isomer

    Synonym

    (E)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01304

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    N/A
    Leflunomide Impurity G

    Synonym

    5-methyl-N-(p-tolyl)isoxazole-4-carboxamide

    Molecular Formula

    C12H12N2O2

    Molecular Weight

    216.24

    Catalogue Number

    AR-L01302

    Parent Drug

    LEFLUNOMIDE
    Leflunomide Impurity F

    Synonym

    5-methyl-N-(2-(trifluoromethyl)phenyl)isoxazole-4-carboxamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01301

    Parent Drug

    LEFLUNOMIDE
    Leflunomide Impurity D

    Synonym

    5-methylisoxazole-4-carboxylicacid

    Molecular Formula

    C5H5NO3

    Molecular Weight

    127.10

    Catalogue Number

    AR-L01300

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    42831-50-5
    Leflunomide Impurity A

    Synonym

    4-(trifluoromethyl)aniline

    Molecular Formula

    C7H6F3N

    Molecular Weight

    161.13

    Catalogue Number

    AR-L01299

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    455-14-1
    Leflunomide EP Impurity C

    Synonym

    5-methyl-N-(3-(trifluoromethyl)phenyl)isoxazole-4-carboxamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01298

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    61643-23-0
    Leflunomide Impurity E

    Synonym

    3-methyl-N-(4-(trifluoromethyl)phenyl)isoxazole-4-carboxamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01297

    Parent Drug

    LEFLUNOMIDE
    Leflunomide EP Impurity B-d4 (Teriflunomide-d4)

    Synonym

    (Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide-D4

    Molecular Formula

    C12H5D4F3N2O2

    Molecular Weight

    274.24

    Catalogue Number

    AR-L01296

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    163451-81-8 (non-labelled)
    Leflunomide EP Impurity B (Teriflunomide)

    Synonym

    (Z)-2-cyano-3-hydroxy-N-(4-(trifluoromethyl)phenyl)but-2-enamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01295

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    163451-81-8
    Leflunomide-d4

    Synonym

    5-methyl-N-(4-(trifluoromethyl)phenyl)isoxazole-4-carboxamide-D4

    Molecular Formula

    C12H5F3N2O2D4

    Molecular Weight

    274.24

    Catalogue Number

    AR-L01294

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    1189987-23-2
    Leflunomide

    Synonym

    5-methyl-N-(4-(trifluoromethyl)phenyl)isoxazole-4-carboxamide

    Molecular Formula

    C12H9F3N2O2

    Molecular Weight

    270.21

    Catalogue Number

    AR-L01293

    Parent Drug

    LEFLUNOMIDE

    CAS Number

    75706-12-6