Carbidopa

9 Results Found

Page 1 of 1
view as:  

CarbidopaAPI 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

  • Free

    Product Name : Carbidopa EP Impurity F;Carbidopa Ethyl Ester;Ethyl (2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoate |:91908-71-3

    Code: JCCRB-09
    CAS: 91908-71-3
    Chemical Formula:C12H18N2O4 (base)
    Molecular Weight:254.28
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Carbidopa EP Impurity F;Carbidopa Ethyl Ester;Ethyl (2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoate |:91908-71-3is useful as reference Impurity standard.
    Carbidopa EP Impurity F;Carbidopa Ethyl Ester;Ethyl (2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoate |:91908-71-3
  • Free

    Product Name : Carbidopa EP Impurity E;(S)-Carbidopa Methyl Ester;Methyl (2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoate |52514-63-3

    Code: JCCRB-08
    CAS: 52514-63-3
    Chemical Formula:C11H16N2O4
    Molecular Weight:240.26
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Carbidopa EP Impurity E;(S)-Carbidopa Methyl Ester;Methyl (2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoate |52514-63-3 is useful as reference Impurity standard.
    Carbidopa EP Impurity E;(S)-Carbidopa Methyl Ester;Methyl (2S)-3-(3,4-Dihydroxyphenyl)-2-hydrazino-2-methylpropanoate |52514-63-3
  • Free

    Product Name : Carbidopa EP Impurity G;1-(3,4-Dihydroxyphenyl)propan-2-one;|2503-44-8

    Code: JCCRB-07
    CAS: 2503-44-8
    Chemical Formula:C9H10O3
    Molecular Weight:166.17
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:   Carbidopa EP Impurity G;1-(3,4-Dihydroxyphenyl)propan-2-one;|2503-44-8 is useful as reference Impurity standard.
    Carbidopa EP Impurity G;1-(3,4-Dihydroxyphenyl)propan-2-one;|2503-44-8
  • Free

    Product Name : CARBIDOPA IMPURITY D ;Carbidopa EP Impurity D;N-Cyclohexylidene Carbidopa Methyl Ester;Methyl (2S)-2-(2-Cyclohexylidenehydrazino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate | 934371-48-9

    Code: JCCRB-06
    CAS: 934371-48-9
    Chemical Formula:C17 H24 N2 O4
    Molecular Weight: 320.38
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:  CARBIDOPA IMPURITY D ;Carbidopa EP Impurity D;N-Cyclohexylidene Carbidopa Methyl Ester;Methyl (2S)-2-(2-Cyclohexylidenehydrazino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate | 934371-48-9 is useful as reference Impurity standard.
    CARBIDOPA IMPURITY D ;Carbidopa EP Impurity D;N-Cyclohexylidene Carbidopa Methyl Ester;Methyl (2S)-2-(2-Cyclohexylidenehydrazino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate  | 934371-48-9
  • Free

    Product Name : CARBIDOPA EP IMPURITY B ;Methyl (S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate ; α-Methyldopa Methyl Ester | 18181-08-03

    Code:  JCCRB-05
    CAS: 18181-08-03
    Chemical Formula: C₁₁H₁₅NO₄
    Molecular Weight: 225.24
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: CARBIDOPA EP IMPURITY B ;Methyl (S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate ; α-Methyldopa Methyl Ester | 18181-08-03  is useful as reference Impurity standard.
    CARBIDOPA EP IMPURITY B ;Methyl (S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate ;  α-Methyldopa Methyl Ester | 18181-08-03
  • Free

    Product Name : Carbidopa Related Compound A;Carbidopa USP RC A;Carbidopa EP Impurity C (Racemate);3-O-Methyl Carbidopa Racemate;(2RS)-2-Hydrazino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid;|85933-19-3

    Code: JCCBD-04
    CAS: 85933-19-3
    Chemical Formula: C11H16N2O4
    Molecular Weight: 240.26
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Carbidopa Related Compound A;Carbidopa USP RC A;Carbidopa EP Impurity C (Racemate);3-O-Methyl Carbidopa Racemate;(2RS)-2-Hydrazino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid;|85933-19-3  is useful as reference Impurity standard.
    Carbidopa Related Compound A;Carbidopa USP RC A;Carbidopa EP Impurity C (Racemate);3-O-Methyl Carbidopa Racemate;(2RS)-2-Hydrazino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid;|85933-19-3
  • Free

    Product Name : Carbidopa EP Impurity J ; 2-Bromo (S)-Carbidopa ; (2S)-3-(2-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid ;43197-33-7

    Code: JCCBD-03
    CAS: 43197-33-7
    Chemical Formula: C10H13BrN2O4
    Molecular Weight: 305.13
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Carbidopa EP Impurity J ; 2-Bromo (S)-Carbidopa ; (2S)-3-(2-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid ;43197-33-7is useful as reference Impurity standard.
    Carbidopa EP Impurity J ; 2-Bromo (S)-Carbidopa ; (2S)-3-(2-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid ;43197-33-7
  • Free

    Product Name : Carbidopa EP Impurity I ; 3-Bromo (S)-Carbidopa ;(2S)-3-(3-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid ;| 1246819-09-9

    Code: JCCBD-02
    CAS:  1246819-09-9
    Chemical Formula: C10H13BrN2O4
    Molecular Weight: 305.13
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Carbidopa EP Impurity I ; 3-Bromo (S)-Carbidopa ;(2S)-3-(3-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid ;| 1246819-09-9is useful as reference Impurity standard.
    Carbidopa EP Impurity I ; 3-Bromo (S)-Carbidopa ;(2S)-3-(3-Bromo-4,5-dihydroxyphenyl)-2-hydrazino-2-methylpropanoic acid ;|  1246819-09-9
  • Free

    Product Name : Carbidopa EP Impurity H ; 4-O-Methylcarbidopa; (2S)-2-Hydrazino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid ;|1361017-74-4

    Code: JCCBD-01
    CAS: 1361017-74-4
    Chemical Formula: C11H16N2O4
    Molecular Weight: 240.26
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Carbidopa EP Impurity H ; 4-O-Methylcarbidopa; (2S)-2-Hydrazino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid ;|1361017-74-4is useful as reference Impurity standard.
    Carbidopa EP Impurity H ; 4-O-Methylcarbidopa;  (2S)-2-Hydrazino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid ;|1361017-74-4