Entacapone Impurities

  • CAS No.: NA - Entacapone 5-Nitrovanillin Dimer Impurity

    Entacapone 5-Nitrovanillin Dimer Impurity

    CAS No. : NA
    Synonyms : 2,4-Dicyano-N1,N1,N5,N5-tetraethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)pentanediamide
    Catalog No. : SA26912

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  • CAS No.: 857629-78-8 - Entacapone 3-Methyl Ether

    Entacapone 3-Methyl Ether

    CAS No. : 857629-78-8
    Synonyms : (E)-3-O-Methyl Entacapone; (2E)-2-Cyano-N,N-diethyl-3-(4-hydroxy-3-methoxy-5-nitrophenyl)-2-propenamide
    Catalog No. : SA26911

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  • CAS No.: 84211-30-3 - Entacapone Benzoic Acid Impurity

    Entacapone Benzoic Acid Impurity

    CAS No. : 84211-30-3
    Synonyms : 3,4-Dihydroxy-5-nitrobenzoic acid; 3-Nitro-4,5-dihydroxybenzoic Acid
    Catalog No. : SA26910

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  • CAS No.: 1364322-42-8 - Entacapone EP Impurity I

    Entacapone EP Impurity I

    CAS No. : 1364322-42-8
    Synonyms : propyl(2E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop2-enoate; n-Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
    Catalog No. : SA26909

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  • CAS No.: 1150310-15-8 - Entacapone EP Impurity H

    Entacapone EP Impurity H

    CAS No. : 1150310-15-8
    Synonyms : (2E)-3-(3,4-dihydroxy-5-nitrophenyl)-2-(piperidin-1ylcarbonyl)prop-2-ennitrile; (αE)-α-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-β-oxo-1-piperidinepropanenitrile; (E)-3-(3,4-dihydroxy-5-nitrophenyl)-2-(piperidine-1-carbonyl)prop-2-enenitrile
    Catalog No. : SA26908

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  • CAS No.: 1364322-41-7 - Entacapone EP Impurity G

    Entacapone EP Impurity G

    CAS No. : 1364322-41-7
    Synonyms : N,N-Bis-desethyl, N-Methyl Entacapone; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-2-propenamide; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide; (E)-2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methylprop-2-enamide
    Catalog No. : SA26907

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  • CAS No.: 160391-70-8 - Entacapone EP Impurity F

    Entacapone EP Impurity F

    CAS No. : 160391-70-8
    Synonyms : (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid; Entacapone Acid; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-2-propenoic Acid
    Catalog No. : SA26906

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  • CAS No.: 7659-29-2 - Entacapone EP Impurity E

    Entacapone EP Impurity E

    CAS No. : 7659-29-2
    Synonyms : 3,5-dinitrobenzene-1,2-diol; 1,2-Dihydroxy-3,5-dinitrobenzene; 3,5-Dinitro-pyrocatechol; 3,5-Dinitro-1,2-benzenediol; 3,5-Dinitrocatechol
    Catalog No. : SA26905

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  • CAS No.: 857629-79-9 - Entacapone EP Impurity D

    Entacapone EP Impurity D

    CAS No. : 857629-79-9
    Synonyms : 3-O-ethylentacapone; (2E)-2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylprop-2-enamide; N,N-diethyl-2-cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)acrylamide; (E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethylacrylamide
    Catalog No. : SA26904

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  • CAS No.: 116313-85-0 - Entacapone EP Impurity C

    Entacapone EP Impurity C

    CAS No. : 116313-85-0
    Synonyms : 3,4-dihydroxy-5-nitrobenzaldehyde; 3-Nitro-4,5-dihydroxybenzaldehyde
    Catalog No. : SA26903

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  • CAS No.: 1215039-66-9 - Entacapone EP Impurity B

    Entacapone EP Impurity B

    CAS No. : 1215039-66-9
    Synonyms : Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
    Catalog No. : SA26902

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  • CAS No.: 145195-63-7 - Entacapone EP Impurity A

    Entacapone EP Impurity A

    CAS No. : 145195-63-7
    Synonyms : Entacapone USP RC A; cis-Entacapone; (Z)-Entacapone; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide; 4-dihydroxy-5-nitrophenyl) acrylamide
    Catalog No. : SA26901

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  • CAS No.: 130929-57-6 - Entacapone

    Entacapone

    CAS No. : 130929-57-6
    Synonyms : (E)-Entacapone; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
    Catalog No. : SA26900

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