Methyldopa-impurities | Pharmaffiliates

methyldopa

An alpha-2 adrenergic receptor agonist, Methyldopa is used for the treatment of high blood pressure in pregnancy. It is metabolized in the liver and intestines and is excreted in urine. Reference standards of Methyldopa API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

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    [pname] => Methyldopa - Impurity C (Freebase)
    [catalogue_number] => PA 13 70030
    [category_ids] => 93,97,70,78,82
    [chemical_name] => 
    [weight] => 239.27
    [form] => C12H17NO4
    [cas] => 39948-18-0
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PA 13 70030

Methyldopa - Impurity C (Freebase)


  • Catalogue No.:PA 13 70030

  • CAS :

    39948-18-0

  • Molecular Formula : C12H17NO4

  • Molecular Weight : 239.27

stdClass Object
(
    [pname] => Methyldopa - Impurity C (Hydrochloride Salt)
    [catalogue_number] => PA 13 70031
    [category_ids] => 82,78,70,97,93
    [chemical_name] => 
    [weight] => 275.73
    [form] => C12H18ClNO4
    [cas] => 5486-79-3
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PA 13 70031

Methyldopa - Impurity C (Hydrochloride Salt)


  • Catalogue No.:PA 13 70031

  • CAS :

    5486-79-3

  • Molecular Formula : C12H18ClNO4

  • Molecular Weight : 275.73

stdClass Object
(
    [pname] => Methyldopa - Impurity D
    [catalogue_number] => PA 13 70040
    [category_ids] => ,97,69,93,78,70,82,
    [chemical_name] => 
    [weight] => 211.21
    [form] => C10H13NO4
    [cas] => 2799-15-7
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PA 13 70040

Methyldopa - Impurity D


  • Catalogue No.:PA 13 70040

  • CAS :

    2799-15-7

  • Molecular Formula : C10H13NO4

  • Molecular Weight : 211.21

stdClass Object
(
    [pname] => α-Methyldopa Methyl Ester
    [catalogue_number] => PA 13 70510
    [category_ids] => 97,93,70,82,78
    [chemical_name] => 
    [weight] => 225.2
    [form] => C11H15NO4
    [cas] => 18181-08-3
    [pslug] => 18181-08-3-alpha-methyldopa-methyl-ester-pa1370510
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PA 13 70510

α-Methyldopa Methyl Ester


  • Catalogue No.:PA 13 70510

  • CAS :

    18181-08-3

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.2

stdClass Object
(
    [pname] => Methyl 2-amino-3-(3,4-dihydroxyphenyl)propanoate
    [catalogue_number] => PAI 13 070001
    [category_ids] => ,78,70,75,76,82,
    [chemical_name] => 
    [weight] => 211.22
    [form] => C10H13NO4
    [cas] => 40611-00-5
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PAI 13 070001

Methyl 2-amino-3-(3,4-dihydroxyphenyl)propanoate


  • Catalogue No.:PAI 13 070001

  • CAS :

    40611-00-5

  • Molecular Formula : C10H13NO4

  • Molecular Weight : 211.22

stdClass Object
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    [pname] => Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)propanoate
    [catalogue_number] => PAI 13 070002
    [category_ids] => ,78,70,75,76,82,
    [chemical_name] => 
    [weight] => 311.33
    [form] => C15H21NO6
    [cas] => NA
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PAI 13 070002

Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)propanoate


  • Catalogue No.:PAI 13 070002

  • CAS :

    NA

  • Molecular Formula : C15H21NO6

  • Molecular Weight : 311.33

stdClass Object
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    [pname] => Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoate
    [catalogue_number] => PAI 13 070003
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    [chemical_name] => 
    [weight] => 325.36
    [form] => C16H23NO6
    [cas] => NA
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PAI 13 070003

Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoate


  • Catalogue No.:PAI 13 070003

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

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    [pname] => 2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoic Acid
    [catalogue_number] => PAI 13 070004
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    [chemical_name] => 
    [weight] => 311.33
    [form] => C15H21NO6
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PAI 13 070004

2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoic Acid


  • Catalogue No.:PAI 13 070004

  • CAS :

    NA

  • Molecular Formula : C15H21NO6

  • Molecular Weight : 311.33

stdClass Object
(
    [pname] => Methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
    [catalogue_number] => PAI 13 070005
    [category_ids] => 82,78,70,75,76
    [chemical_name] => 
    [weight] => 225.24
    [form] => C11H15NO4
    [cas] => NA
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PAI 13 070005

Methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070005

  • CAS :

    NA

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.24

stdClass Object
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    [pname] => Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
    [catalogue_number] => PAI 13 070006
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    [chemical_name] => 
    [weight] => 325.36
    [form] => C16H23NO6
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PAI 13 070006

Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070006

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

stdClass Object
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    [pname] => Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate
    [catalogue_number] => PAI 13 070007
    [category_ids] => 82,78,70,75,76
    [chemical_name] => 
    [weight] => 339.39
    [form] => C17H25NO6
    [cas] => NA
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PAI 13 070007

Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070007

  • CAS :

    NA

  • Molecular Formula : C17H25NO6

  • Molecular Weight : 339.39

stdClass Object
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    [pname] => 2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic Acid
    [catalogue_number] => PAI 13 070008
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    [chemical_name] => 
    [weight] => 325.36
    [form] => C16H23NO6
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PAI 13 070008

2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic Acid


  • Catalogue No.:PAI 13 070008

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36

stdClass Object
(
    [pname] => (S)-2-Amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid
    [catalogue_number] => PA 13 0701000
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 225.24
    [form] => C11H15NO4
    [cas] => NA
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PA 13 0701000

(S)-2-Amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid


  • Catalogue No.:PA 13 0701000

  • CAS :

    NA

  • Molecular Formula : C11H15NO4

  • Molecular Weight : 225.24

stdClass Object
(
    [pname] => Methyldopa - Impurity B (Hydrochloride Salt)
    [catalogue_number] => PA 13 2480021
    [category_ids] => ,76,75,70,78,81,123,97,82,
    [chemical_name] => 
    [weight] => 245.7
    [form] => C11H16ClNO3
    [cas] => 35026-10-9
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PA 13 2480021

Methyldopa - Impurity B (Hydrochloride Salt)


  • Catalogue No.:PA 13 2480021

  • CAS :

    35026-10-9

  • Molecular Formula : C11H16ClNO3

  • Molecular Weight : 245.7

stdClass Object
(
    [pname] => Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)-2-methylpropanoate
    [catalogue_number] => PAI 13 070009
    [category_ids] => ,70,
    [chemical_name] => 
    [weight] => 353.42
    [form] => C18H27NO6
    [cas] => 132970-17-3
    [pslug] => 132970-17-3-methyl-s-2-tert-butoxycarbonyl-amino-3-3-4-dimethoxyphenyl-2-methylpropanoate-pai13070009
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PAI 13 070009

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070009

  • CAS :

    132970-17-3

  • Molecular Formula : C18H27NO6

  • Molecular Weight : 353.42

stdClass Object
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    [pname] => Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoate
    [catalogue_number] => PAI 13 070010
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    [chemical_name] => 
    [weight] => 339.39
    [form] => C17H25NO6
    [cas] => NA
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PAI 13 070010

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070010

  • CAS :

    NA

  • Molecular Formula : C17H25NO6

  • Molecular Weight : 339.39

stdClass Object
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PAI 13 070011

Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070011

  • CAS :

    NA

  • Molecular Formula : C17H25NO6

  • Molecular Weight : 339.39

stdClass Object
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    [catalogue_number] => PAI 13 070012
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    [chemical_name] => 
    [weight] => 239.27
    [form] => C12H17NO4
    [cas] => NA
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PAI 13 070012

Methyl (S)-2-amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate


  • Catalogue No.:PAI 13 070012

  • CAS :

    NA

  • Molecular Formula : C12H17NO4

  • Molecular Weight : 239.27

stdClass Object
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    [pname] => (S)-2-((tert-Butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid
    [catalogue_number] => PAI 13 070013
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    [chemical_name] => 
    [weight] => 325.36
    [form] => C16H23NO6
    [cas] => NA
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PAI 13 070013

(S)-2-((tert-Butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid


  • Catalogue No.:PAI 13 070013

  • CAS :

    NA

  • Molecular Formula : C16H23NO6

  • Molecular Weight : 325.36