Captopril

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Captopril 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 : S(-)3-Benzoylthio-2- methylpropionic acid |72679-02-08

    Code: JCCAP-18
    CAS: 72679-02-08
    Chemical Formula:C11H12O3S
    Molecular Weight:224.28
    Category: Captopril Reference Standards/Captopril API Drug Metabolites/Captopril EP Impurities/Captopril USP Impurities
    Literature:
    Application:   S(-)3-Benzoylthio-2- methylpropionic acid |72679-02-08is useful as reference Impurity standard.
    S(-)3-Benzoylthio-2- methylpropionic acid |72679-02-08
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    Product Name : Captopril Methyl Ester ;(2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid methyl ester| 176036-41-2 ;

    Code: JCCAP-17
    CAS: 176036-41-2
    Chemical Formula: C10H17NO3S
    Molecular Weight: 231.31
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril Methyl Ester ;(2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid methyl ester| 176036-41-2 ; is useful as reference Impurity standard.
    Captopril Methyl Ester ;(2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid methyl ester| 176036-41-2 ;
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    Product Name : Captopril Ethyl Ester ; (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid ethyl ester | 86938-12-7 ;

    Code: JCCAP-16
    CAS: 86938-12-7
    Chemical Formula:C11H19NO3S
    Molecular Weight:245.34
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Captopril Ethyl Ester ; (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid ethyl ester | 86938-12-7 ; is useful as reference Impurity standard.
    Captopril Ethyl Ester ; (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid ethyl ester | 86938-12-7 ;
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    Product Name : Captopril EP Impurity O ; 1,1′-[Propane-2,2-diylbis[sulfanediyl[(2S)-2-methyl-1-oxopropane-3,1-diyl]]]bis[(2S)-pyrrolidine-2-carboxylic]acid ;

    Code: JCCAP-15
    CAS: NA
    Chemical Formula:C21H34N2O6S2
    Molecular Weight:474.63
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Captopril EP Impurity O ; 1,1′-[Propane-2,2-diylbis[sulfanediyl[(2S)-2-methyl-1-oxopropane-3,1-diyl]]]bis[(2S)-pyrrolidine-2-carboxylic]acid ; is useful as reference Impurity standard.
    Captopril EP Impurity O ; 1,1′-[Propane-2,2-diylbis[sulfanediyl[(2S)-2-methyl-1-oxopropane-3,1-diyl]]]bis[(2S)-pyrrolidine-2-carboxylic]acid ;
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    Product Name : Captopril EP Impurity N ; 3,3′-Disulfanediylbis[(2S)-2-methylpropanoic] acid| 65134-74-9 ;

    Code: JCCAP-14
    CAS: 65134-74-9
    Chemical Formula:C8H14O4S2
    Molecular Weight:238.32
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Captopril EP Impurity N ; 3,3′-Disulfanediylbis[(2S)-2-methylpropanoic] acid| 65134-74-9 ; is useful as reference Impurity standard.
    Captopril EP Impurity N ; 3,3′-Disulfanediylbis[(2S)-2-methylpropanoic] acid| 65134-74-9 ;
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    Product Name : Captopril EP Impurity M ; (2S)-1-[(2S)-3-[[(2S)-2-Carboxypropyl]disulfanyl]-2-methylpropanoyl] pyrrolidine-2-carboxylic acid ;

    Code: JCCAP-13
    CAS: NA
    Chemical Formula:C13H21NO5S2
    Molecular Weight:335.44
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity M ; (2S)-1-[(2S)-3-[[(2S)-2-Carboxypropyl]disulfanyl]-2-methylpropanoyl] pyrrolidine-2-carboxylic acid ; is useful as reference Impurity standard.
    Captopril EP Impurity M ; (2S)-1-[(2S)-3-[[(2S)-2-Carboxypropyl]disulfanyl]-2-methylpropanoyl] pyrrolidine-2-carboxylic acid ;
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    Product Name : Captopril EP Impurity L ; Captopril Methylenebis Impurity ; 1,1′-[Methylenebis[sulfanediyl[(2S)-2-methyl-1-oxopropane-3,1-diyl]]]bis[(2S)-pyrrolidine-2-carboxylic]acid ;

    Code: JCCAP-12
    CAS: NA
    Chemical Formula:C19H30N2O6S2
    Molecular Weight:446.58
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Captopril EP Impurity L ; Captopril Methylenebis Impurity ; 1,1′-[Methylenebis[sulfanediyl[(2S)-2-methyl-1-oxopropane-3,1-diyl]]]bis[(2S)-pyrrolidine-2-carboxylic]acid ; is useful as reference Impurity standard.
    Captopril EP Impurity L ; Captopril Methylenebis Impurity ; 1,1′-[Methylenebis[sulfanediyl[(2S)-2-methyl-1-oxopropane-3,1-diyl]]]bis[(2S)-pyrrolidine-2-carboxylic]acid ;
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    Product Name : Captopril EP Impurity J ; Captopril Acetyl Impurity ; (2S)-1-[(2S)-3-(Acetylsulfanyl)-2-methylpropanoyl]pyrrolidine-2-carboxylic acid | 64838-55-7 (anhydrous) ; 801293-45-8 (monohydrate) ;

    Code: JCCAP-11
    CAS: 64838-55-7 (anhydrous) ; 801293-45-8 (monohydrate)
    Chemical Formula:C11H17NO4S
    Molecular Weight: 259.32
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity J ; Captopril Acetyl Impurity ; (2S)-1-[(2S)-3-(Acetylsulfanyl)-2-methylpropanoyl]pyrrolidine-2-carboxylic acid | 64838-55-7 (anhydrous) ; 801293-45-8 (monohydrate) ; is useful as reference Impurity standard.
    Captopril EP Impurity J ; Captopril Acetyl Impurity ; (2S)-1-[(2S)-3-(Acetylsulfanyl)-2-methylpropanoyl]pyrrolidine-2-carboxylic acid | 64838-55-7 (anhydrous) ; 801293-45-8 (monohydrate) ;
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    Product Name : Captopril EP Impurity I ; (2S)-1-[(2S)-3-[[[(2S)-1-[(2S)-2-Methyl-3-sulfanylpropanoyl]pyrrolidin-2-yl]carbonyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid ;

    Code: JCCAP-10
    CAS: NA
    Chemical Formula:C18H28N2O5S2
    Molecular Weight: 416.56
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity I ; (2S)-1-[(2S)-3-[[[(2S)-1-[(2S)-2-Methyl-3-sulfanylpropanoyl]pyrrolidin-2-yl]carbonyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid ; is useful as reference Impurity standard.
    Captopril EP Impurity I ; (2S)-1-[(2S)-3-[[[(2S)-1-[(2S)-2-Methyl-3-sulfanylpropanoyl]pyrrolidin-2-yl]carbonyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid ;
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    Product Name : Captopril EP Impurity H ; (2S)-1-[(2S)-3-[[(2R)-3-(Acetylsulfanyl)-2-methylpropanoyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid| 205521-07-9 ;

    Code: JCCAP-09
    CAS: 205521-07-9
    Chemical Formula:C15H23NO5S2
    Molecular Weight:361.48
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity H ; (2S)-1-[(2S)-3-[[(2R)-3-(Acetylsulfanyl)-2-methylpropanoyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid| 205521-07-9 ; is useful as reference Impurity standard.
    Captopril EP Impurity H ; (2S)-1-[(2S)-3-[[(2R)-3-(Acetylsulfanyl)-2-methylpropanoyl]sulfanyl]-2-methylpropanoyl]pyrrolidine-2-carboxylic acid| 205521-07-9 ;
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    Product Name : Captopril EP Impurity G ; Captopril Acetyl Impurity ; 3-Acetylsulfanyl-2-methylpropanoic acid |33325-40-5 ;

    Code: JCCAP-08
    CAS: 33325-40-5
    Chemical Formula:C6H10O3S
    Molecular Weight:162.21
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity G ; Captopril Acetyl Impurity ; 3-Acetylsulfanyl-2-methylpropanoic acid |33325-40-5 ; is useful as reference Impurity standard.
    Captopril EP Impurity G ; Captopril Acetyl Impurity ; 3-Acetylsulfanyl-2-methylpropanoic acid |33325-40-5 ;
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    Product Name : Captopril EP Impurity F ; Captopril epi-Isomer ; (2S)-1-[(2R)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid|63250-36-2 ;

    Code: JCCAP-07
    CAS: 63250-36-2
    Chemical Formula:C9H15NO3S
    Molecular Weight:217.29
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity F ; Captopril epi-Isomer ; (2S)-1-[(2R)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid|63250-36-2 ; is useful as reference Impurity standard.
    Captopril EP Impurity F ; Captopril epi-Isomer ; (2S)-1-[(2R)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid|63250-36-2 ;
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    Product Name : Captopril EP Impurity E ; Captopril Desmercapto Impurity ; (2S)-1-(2-Methylpropanoyl)pyrrolidine-2-carboxylic acid| 23500-15-4 ;

    Code: JCCAP-06
    CAS: 23500-15-4
    Chemical Formula:C9H15NO3
    Molecular Weight:185.22
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity E ; Captopril Desmercapto Impurity ; (2S)-1-(2-Methylpropanoyl)pyrrolidine-2-carboxylic acid| 23500-15-4 ; is useful as reference Impurity standard.
    Captopril EP Impurity E ; Captopril Desmercapto Impurity ; (2S)-1-(2-Methylpropanoyl)pyrrolidine-2-carboxylic acid| 23500-15-4 ;
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    Product Name : Captopril EP Impurity D ; Captopril Bromo Acid ; 3-Bromo-2-methylpropanoic acid|56970-78-6 ;

    Code: JCCAP-05
    CAS: 56970-78-6
    Chemical Formula:C4H7BrO2
    Molecular Weight: 167.00
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Captopril EP Impurity D ; Captopril Bromo Acid ; 3-Bromo-2-methylpropanoic acid|56970-78-6 ; is useful as reference Impurity standard.
    Captopril EP Impurity D ; Captopril Bromo Acid ; 3-Bromo-2-methylpropanoic acid|56970-78-6 ;
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    Product Name : Captopril EP Impurity C ; Captopril USP RC C ; 3-Mercapto-2-methylpropanoic acid |26473-47-2 ;

    Code: JCCAP-04
    CAS: 26473-47-2
    Chemical Formula:C4H8O2S
    Molecular Weight:120.17
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity C ; Captopril USP RC C ; 3-Mercapto-2-methylpropanoic acid |26473-47-2 ; is useful as reference Impurity standard.
    Captopril EP Impurity C ; Captopril USP RC C ; 3-Mercapto-2-methylpropanoic acid |26473-47-2 ;
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    Product Name : Captopril EP Impurity B ; Captopril Bromo Analog ; (2S)-1-[(2S)-2-Methyl-3-bromopropanoyl]pyrrolidine-2-carboxylic acid| 80629-35-2 ;

    Code: JCCAP-03
    CAS: 80629-35-2
    Chemical Formula:C9H14BrNO3
    Molecular Weight: 264.12
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity B ; Captopril Bromo Analog ; (2S)-1-[(2S)-2-Methyl-3-bromopropanoyl]pyrrolidine-2-carboxylic acid| 80629-35-2 ; is useful as reference Impurity standard.
    Captopril EP Impurity B ; Captopril Bromo Analog ; (2S)-1-[(2S)-2-Methyl-3-bromopropanoyl]pyrrolidine-2-carboxylic acid| 80629-35-2 ;
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    Product Name : Captopril ; (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid | 62571-86-2 ;

    Code: JCCAP-02
    CAS: 62571-86-2
    Chemical Formula:C9H15NO3S
    Molecular Weight:217.29
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril ; (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid | 62571-86-2 ; is useful as reference Impurity standard.
    Captopril ; (2S)-1-[(2S)-2-Methyl-3-sulphanylpropanoyl]pyrrolidine-2-carboxylic acid | 62571-86-2 ;
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    Product Name : Captopril EP Impurity A;Captopril Disulphide;(2S,2’S)-1,1′-[Disulphanediylbis[(2S)-2-methyl-1-oxopropane-3,1-diyl]-bis[pyrrolidine-2-carboxylic] acid; |64806-05-9

    Code: JCCAP-01
    CAS: 64806-05-9
    Chemical Formula:C18H28N2O6S2
    Molecular Weight:432.55
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  Captopril EP Impurity A;Captopril Disulphide;(2S,2'S)-1,1'-[Disulphanediylbis[(2S)-2-methyl-1-oxopropane-3,1-diyl]-bis[pyrrolidine-2-carboxylic] acid; |64806-05-9 is useful as reference Impurity standard.
    Captopril EP Impurity A;Captopril Disulphide;(2S,2'S)-1,1'-[Disulphanediylbis[(2S)-2-methyl-1-oxopropane-3,1-diyl]-bis[pyrrolidine-2-carboxylic] acid; |64806-05-9
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