Entacapone

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Entacapone 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 : Entacapone EP Impurity B/116314-52-4

    Code: JCECP-21
    CAS:  116314-52-4
    Chemical Formula: C12H10N2O6
    Molecular Weight:278.22
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity B/116314-52-4 is useful as reference Impurity standard.
    Entacapone EP Impurity B/116314-52-4
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    Product Name : Entacapone EP Impurity I ;  Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate |  1364322-42-8

    Code: JCECP-20
    CAS:  1364322-42-8
    Chemical Formula: C13H12N2O6
    Molecular Weight: 292.24
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity I ;  Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate |  1364322-42-8is useful as reference Impurity standard.
    Entacapone EP Impurity I ;  Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate |  1364322-42-8
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    Product Name : Entacapone EP Impurity H ; (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile |  1150310-15-8 

    Code: JCECP-19
    CAS: 1150310-15-8
    Chemical Formula: C15H15N3O5
    Molecular Weight: 317.3
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity H ; (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile |  1150310-15-8is useful as reference Impurity standard.
    Entacapone EP Impurity H ; (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile |  1150310-15-8 
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    Product Name : Entacapone EP Impurity G ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide

    Code: JCECP-18
    CAS: 
    Chemical Formula: C11H9N3O5
    Molecular Weight: 263.21
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity G ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide  is useful as reference Impurity standard.
    Entacapone EP Impurity G ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide
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    Product Name : Entacapone EP Impurity F ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid |  160391-70-8

    Code: JCECP-17
    CAS: 160391-70-8
    Chemical Formula:  C10H6N2O6
    Molecular Weight: 250.16
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity F ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid |  160391-70-8 is useful as reference Impurity standard.
    Entacapone EP Impurity F ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid |  160391-70-8
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    Product Name : Entacapone EP Impurity E ;3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene | 7659-29-2

    Code: JCECP-16
    CAS: 7659-29-2
    Chemical Formula: C6H4N2O6
    Molecular Weight: 200.11
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Entacapone EP Impurity E ;3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene | 7659-29-2 is useful as reference Impurity standard.
    Entacapone EP Impurity E ;3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene | 7659-29-2
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    Product Name : Entacapone EP Impurity D ;  (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 857629-79-9 

    Code: JCECP-15
    CAS: 857629-79-9
    Chemical Formula: C16H19N3O5
    Molecular Weight: 333.34
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity D ;  (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 857629-79-9  is useful as reference Impurity standard.
    Entacapone EP Impurity D ;  (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 857629-79-9 
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    Product Name : Entacapone EP Impurity C ; 3,4-Dihydroxy-5-nitrobenzaldehyde | 116313-85-0

    Code: JCECP-14
    CAS: 116313-85-0
    Chemical Formula: C7H5N05
    Molecular Weight: 183.12
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity C ; 3,4-Dihydroxy-5-nitrobenzaldehyde | 116313-85-0is useful as reference Impurity standard.
    Entacapone EP Impurity C ; 3,4-Dihydroxy-5-nitrobenzaldehyde | 116313-85-0
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    Product Name : Entacapone EP Impurity B ;  Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate

    Code: JCECP-13
    CAS: NA
    Chemical Formula: C12H10N2O6
    Molecular Weight: 278.22
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Entacapone EP Impurity B ;  Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate  is useful as reference Impurity standard.
    Entacapone EP Impurity B ;  Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate
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    Product Name : Entacapone EP Impurity A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 145195-63-7

    Code: JCECP-12
    CAS: 145195-63-7
    Chemical Formula: C14H15N3O5
    Molecular Weight: 305.29
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone EP Impurity A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 145195-63-7 is useful as reference Impurity standard.
    Entacapone EP Impurity A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 145195-63-7
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    Product Name : Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 130929-57-6

    Code: JCECP-11
    CAS: 130929-57-6
    Chemical Formula: C14H15N3O5
    Molecular Weight: 305.29
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 130929-57-6;  is useful as reference Impurity standard.
    2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene ;
    Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 130929-57-6
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    Product Name : Entacapone Impurity I ; Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ;

    Code: JCECP-10
    CAS: 
    Chemical Formula: C13H12N2O6
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone Impurity I ; Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ; is useful as reference Impurity standard.
    Entacapone Impurity I ; Propyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ;
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    Product Name : Entacapone Impurity H ; (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile ;

    Code: JCECP-09
    CAS: 
    Chemical Formula: C15H15N3O5
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone Impurity H ; (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile ; is useful as reference Impurity standard.
    Entacapone Impurity H ; (2E)-3-(3,4-Dihydroxy-5-nitrophenyl)-2-(piperidin-1-ylcarbonyl)prop-2-ennitrile ;
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    Product Name : Entacapone Impurity G ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide

    Code: JCECP-08
    CAS: 
    Chemical Formula: C11H9N3O5
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone Impurity G ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide; is useful as reference Impurity standard.
    Entacapone Impurity G ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N-methyl-prop-2-enamide
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    Product Name : Entacapone Impurity F ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid ;

    Code: JCECP-07
    CAS: 
    Chemical Formula: C10H6N2O6
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone Impurity F ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid; is useful as reference Impurity standard.
    Entacapone Impurity F ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoic acid ;
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    Product Name : Entacapone Impurity E ; 3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene ;

    Code: JCECP-06
    CAS: 
    Chemical Formula: C6H4N2O6
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone Impurity E ; 3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene ;is useful as reference Impurity standard.
    Entacapone Impurity E ; 3,5-Dinitrobenzene-1,2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene ;
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    Product Name : Entacapone Impurity D ; (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;

    Code: JCECP-05
    CAS: 
    Chemical Formula: C16H19N3O5
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Entacapone Impurity D ; (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamideis useful as reference Impurity standard.
    Entacapone Impurity D ; (2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;
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    Product Name : Entacapone Impurity B ; Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ;

    Code: JCECP-03
    CAS: 
    Chemical Formula: C12H10N2O6
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Entacapone Impurity B ; Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ;is useful as reference Impurity standard.
    Entacapone Impurity B ; Ethyl (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)prop-2-enoate ;
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    Product Name : Entacapone Impurity A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;

    Code: JCECP-02
    CAS: 145195-63-7
    Chemical Formula:
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone Impurity A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ; is useful as reference Impurity standard.
    Entacapone Impurity A ; (2Z)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;
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    Product Name : Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;

    Code: JCECP-01
    CAS:130929-57-6
    Chemical Formula: C14H15N3O5
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ; is useful as reference Impurity standard.
    Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide ;