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 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. 
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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. 
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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. 
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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. 
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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. 
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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. 
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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. 
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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. 
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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. 
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Product Name : Entacapone ; (2E)-2-Cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide | 130929-57-6
2-diol ; 1,2-Dihydroxy-3,5-dinitrobenzene ;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. 
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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. 
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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. 
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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. 
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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. 
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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. 
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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. 
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Product Name : Entacapone Impurity C ; 3,4-Dihydroxy-5-nitrobenzaldehyde ;
Code: JCECP-04 CAS: 116313-85-0 Chemical Formula: C7H5N05 Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Entacapone Impurity C ; 3,4-Dihydroxy-5-nitrobenzaldehyde ;is useful as reference Impurity standard. 
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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. 
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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. 
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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. 
