Quinapril

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Quinapril 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 : Quinapril benzyl ester; 82586-53-6

    Code: JCQNP-17
    CAS: 82586-53-6
    Chemical Formula: C32H36N2O5
    Molecular Weight: 528.64
    Category: Quinapril Reference Standards/ QuinaprilAPI Drug Metabolites/Quinapril EP Impurities/Quinapril USP Impurities
    Literature:
    Application:  Quinapril benzyl ester; 82586-53-6 is useful as reference Impurity standard.
    Quinapril benzyl ester; 82586-53-6
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    Product Name : N-Nitroso Quinapril ; (S)-2-(N-((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-N-nitroso-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

    Code: JCQNP-16
    CAS: NA
    Chemical Formula:C25H29N3O6
    Molecular Weight:467.52
    Category: Quinapril Reference Standards/ QuinaprilAPI Drug Metabolites/Quinapril EP Impurities/Quinapril USP Impurities
    Literature:
    Application:   N-Nitroso Quinapril ; (S)-2-(N-((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-N-nitroso-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid is useful as reference Impurity standard.
    N-Nitroso Quinapril ; (S)-2-(N-((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-N-nitroso-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
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    Product Name : Quinapril Ethyl ester; ethyl (S)-2-(((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate|103733-35-3

    Code: JCQNP-15
    CAS: 103733-35-3
    Chemical Formula:C27H34N2O5
    Molecular Weight:466.58
    Category: Quinapril Reference Standards/Quinapril API Drug Metabolites/Quinapril EP Impurities/Quinapril USP Impurities
    Literature:
    Application:   Quinapril Ethyl ester; ethyl (S)-2-(((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate|103733-35-3 is useful as reference Impurity standard.
    Quinapril Ethyl ester; ethyl (S)-2-(((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate|103733-35-3
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    Product Name : Quinapril Methyl Methyl Di-Ester ;  [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester

    Code: JCQNP-14
    CAS: 
    Chemical Formula: C25H30N2O5
    Molecular Weight: 438.52
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quinapril Methyl Methyl Di-Ester ;  [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester is useful as reference Impurity standard
    Quinapril Methyl Methyl Di-Ester ;  [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Methoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester
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    Product Name : Quinapril Methyl Ester Analog ;O-Desethyl-O-Methyl Quinapril ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-methyl ester |  118194-43-7

    Code: JCQNP-13
    CAS:  118194-43-7
    Chemical Formula: C24H28N2O5
    Molecular Weight: 424.49
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril Methyl Ester Analog ;O-Desethyl-O-Methyl Quinapril ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-methyl ester |  118194-43-7 is useful as reference Impurity standard
    Quinapril Methyl Ester Analog ;O-Desethyl-O-Methyl Quinapril ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-methyl ester |  118194-43-7
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    Product Name : Quinapril Isopropyl Isopropyl Di-Ester ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Isopropyloxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester

    Code: JCQNP-12
    CAS:
    Chemical Formula: C29H38N2O5
    Molecular Weight:  494.62
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril Isopropyl Isopropyl Di-Ester ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Isopropyloxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester is useful as reference Impurity standard
    Quinapril Isopropyl Isopropyl Di-Ester ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Isopropyloxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester
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    Product Name : Quinapril Isopropyl Ester Analog ;O-Desethyl-O-Isopropyl Quinapril ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-isopropyl ester |  955034-25-0

    Code: JCQNP-11
    CAS: 955034-25-0
    Chemical Formula: C26H32N2O5
    Molecular Weight: 452.54
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quinapril Isopropyl Ester Analog ;O-Desethyl-O-Isopropyl Quinapril ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-isopropyl ester |  955034-25-0  is useful as reference Impurity standard
    Quinapril Isopropyl Ester Analog ;O-Desethyl-O-Isopropyl Quinapril ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-isopropyl ester |  955034-25-0
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    Product Name : Quinapril Hydrochloride ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, monohydrochloride |  82586-55-8

    Code:  JCQNP-10
    CAS: 82586-55-8
    Chemical Formula: C25H31ClN2O5
    Molecular Weight: 474.98
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Quinapril Hydrochloride ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, monohydrochloride |  82586-55-8  is useful as reference Impurity standard
    Quinapril Hydrochloride ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester, monohydrochloride |  82586-55-8
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    Product Name : Quinapril Ethyl Methyl Di-Ester ;  [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester

    Code:  JCQNP-09
    CAS:  NA
    Chemical Formula: C26H32N2O5
    Molecular Weight: 452.54
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril Ethyl Methyl Di-Ester ;  [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester  is useful as reference Impurity standard
    Quinapril Ethyl Methyl Di-Ester ;  [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid methyl ester
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    Product Name : Quinapril Ethyl Isopropyl Di-Ester ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester

    Code: JCQNP-08
    CAS: 
    Chemical Formula: C28H36N2O5
    Molecular Weight: 480.6
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quinapril Ethyl Isopropyl Di-Ester ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester  is useful as reference Impurity standard
    Quinapril Ethyl Isopropyl Di-Ester ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid isopropyl ester
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    Product Name : Quinapril Ethyl Ethyl Di-Ester (Maleate) ;Quinapril Ethyl Ethyl Di-Ester (Maleate) ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ethyl ester (2Z)-2-butenedioate | 103733-36-4 

    Code:  JCQNP-07
    CAS: 103733-36-4
    Chemical Formula: C31H38N2O9
    Molecular Weight: 582.64
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quinapril Ethyl Ethyl Di-Ester (Maleate) ;Quinapril Ethyl Ethyl Di-Ester (Maleate) ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ethyl ester (2Z)-2-butenedioate | 103733-36-4   is useful as reference Impurity standard
    Quinapril Ethyl Ethyl Di-Ester (Maleate) ;Quinapril Ethyl Ethyl Di-Ester (Maleate) ; [3S-[2[R*(R*)],3R*]]-2-[2-[[1-(Ethoxycarbonyl)-3-phenylpropyl]amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ethyl ester (2Z)-2-butenedioate | 103733-36-4 
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    Product Name : Quinapril EP Impurity E ;Quinapril Cyclohexyl Analog ; Quinapril Impurity E ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester

    Code: JCQNP-06
    CAS: 
    Chemical Formula: C25H36N2O5
    Molecular Weight: 444.56
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Quinapril EP Impurity E ;Quinapril Cyclohexyl Analog ; Quinapril Impurity E ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester  is useful as reference Impurity standard
    Quinapril EP Impurity E ;Quinapril Cyclohexyl Analog ; Quinapril Impurity E ; (S)-2-[(S)-N-[(S)-1-Carboxy-3-cyclohexylpropyl]alanyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid, 1-ethyl ester
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    Product Name : Quinapril EP Impurity D ;Ethyl (2S)-2-[(3S,11aS)-3-methyl-1,4-dioxo-1,3,4,6,11,11ahexahydro-2H-pyrazino[1,2-b]isoquinolin-2-yl]-4-phenylbutanoate ; Quinapril USP RC A ; Quinapril Diketopiperazine | 103733-49-9

    Code: JCQNP-05
    CAS: 103733-49-9
    Chemical Formula: C25H28N2O4
    Molecular Weight:  420.5
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril EP Impurity D ;Ethyl (2S)-2-[(3S,11aS)-3-methyl-1,4-dioxo-1,3,4,6,11,11ahexahydro-2H-pyrazino[1,2-b]isoquinolin-2-yl]-4-phenylbutanoate ; Quinapril USP RC A ; Quinapril Diketopiperazine | 103733-49-9 is useful as reference Impurity standard
    Quinapril EP Impurity D ;Ethyl (2S)-2-[(3S,11aS)-3-methyl-1,4-dioxo-1,3,4,6,11,11ahexahydro-2H-pyrazino[1,2-b]isoquinolin-2-yl]-4-phenylbutanoate ; Quinapril USP RC A ; Quinapril Diketopiperazine | 103733-49-9
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    Product Name : Quinapril EP Impurity C ;Quinapril USP Related Compound B ; [3S-[2[R*(R*)],3R*]]-2-[2-[(1-Carboxy-3-phenylpropyl)amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ; Quinapril Diacid ; Quinaprilat ; Quinapril Impurity C | 82768-85-2

    Code:  JCQNP-04
    CAS: 82768-85-2
    Chemical Formula: C23H26N2O5
    Molecular Weight: 410.46
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril EP Impurity C ;Quinapril USP Related Compound B ; [3S-[2[R*(R*)],3R*]]-2-[2-[(1-Carboxy-3-phenylpropyl)amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ; Quinapril Diacid ; Quinaprilat ; Quinapril Impurity C | 82768-85-2 is useful as reference Impurity standard
    Quinapril EP Impurity C ;Quinapril USP Related Compound B ; [3S-[2[R*(R*)],3R*]]-2-[2-[(1-Carboxy-3-phenylpropyl)amino]-1-oxopropyl]-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid ; Quinapril Diacid ; Quinaprilat ; Quinapril Impurity C | 82768-85-2
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    Product Name : Quinapril EP Impurity B ;Quinapril ECPPA Impurity ; Enalapril EP Impurity B ; (2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoic acid | 82717-96-2 

    Code: JCQNP-03
    CAS: 82717-96-2
    Chemical Formula: C15H21NO4
    Molecular Weight: 279.33
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril EP Impurity B ;Quinapril ECPPA Impurity ; Enalapril EP Impurity B ; (2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoic acid | 82717-96-2  is useful as reference Impurity standard
    Quinapril EP Impurity B ;Quinapril ECPPA Impurity ; Enalapril EP Impurity B ; (2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino] propanoic acid | 82717-96-2 
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    Product Name : Quinapril EP Impurity A ;Quinapril Bicyclic Acid ; (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid | 74163-81-8

    Code:  JCQNP-02
    CAS:  74163-81-8
    Chemical Formula: C10H11NO2
    Molecular Weight: 177.20
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril EP Impurity A ;Quinapril Bicyclic Acid ; (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid | 74163-81-8  is useful as reference Impurity standard
    Quinapril EP Impurity A ;Quinapril Bicyclic Acid ; (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid | 74163-81-8
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    Product Name : Quinapril Bicyclic Acid Benzyl Ester ;  (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid benzyl ester HCl |  103733-30-8

    Code: JCQNP-01
    CAS: 103733-30-8
    Chemical Formula: C17H18ClNO2
    Molecular Weight:  303.78
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Quinapril Bicyclic Acid Benzyl Ester ;  (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid benzyl ester HCl |  103733-30-8 is useful as reference Impurity standard
    Quinapril Bicyclic Acid Benzyl Ester ;  (S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid benzyl ester HCl |  103733-30-8
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