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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Methyldopa - Impurity C (Freebase)
Catalogue No.:PA 13 70030
Molecular Formula : C12H17NO4
Molecular Weight : 239.27
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[catalogue_number] => PA 13 70031
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Methyldopa - Impurity C (Hydrochloride Salt)
Catalogue No.:PA 13 70031
Molecular Formula : C12H18ClNO4
Molecular Weight : 275.73
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[pname] => Methyldopa - Impurity D
[catalogue_number] => PA 13 70040
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[chemical_name] =>
[weight] => 211.21
[form] => C10H13NO4
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Catalogue No.:PA 13 70040
Molecular Formula : C10H13NO4
Molecular Weight : 211.21
stdClass Object
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[pname] => α-Methyldopa Methyl Ester
[catalogue_number] => PA 13 70510
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[weight] => 225.2
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α-Methyldopa Methyl Ester
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[catalogue_number] => PAI 13 070001
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[form] => C10H13NO4
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Methyl 2-amino-3-(3,4-dihydroxyphenyl)propanoate
Catalogue No.:PAI 13 070001
Molecular Formula : C10H13NO4
Molecular Weight : 211.22
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[catalogue_number] => PAI 13 070002
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[weight] => 311.33
[form] => C15H21NO6
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Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)propanoate
Catalogue No.:PAI 13 070002
Molecular Formula : C15H21NO6
Molecular Weight : 311.33
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[catalogue_number] => PAI 13 070003
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Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoate
Catalogue No.:PAI 13 070003
Molecular Formula : C16H23NO6
Molecular Weight : 325.36
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[catalogue_number] => PAI 13 070004
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2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)propanoic Acid
Catalogue No.:PAI 13 070004
Molecular Formula : C15H21NO6
Molecular Weight : 311.33
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Methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070005
Molecular Formula : C11H15NO4
Molecular Weight : 225.24
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Methyl 2-((tert-butoxycarbonyl)amino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070006
Molecular Formula : C16H23NO6
Molecular Weight : 325.36
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[weight] => 339.39
[form] => C17H25NO6
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Methyl 2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070007
Molecular Formula : C17H25NO6
Molecular Weight : 339.39
stdClass Object
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2-((tert-Butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic Acid
Catalogue No.:PAI 13 070008
Molecular Formula : C16H23NO6
Molecular Weight : 325.36
stdClass Object
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[pname] => (S)-2-Amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid
[catalogue_number] => PA 13 0701000
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[weight] => 225.24
[form] => C11H15NO4
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(S)-2-Amino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid
Catalogue No.:PA 13 0701000
Molecular Formula : C11H15NO4
Molecular Weight : 225.24
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[catalogue_number] => PA 13 2480021
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[weight] => 245.7
[form] => C11H16ClNO3
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Methyldopa - Impurity B (Hydrochloride Salt)
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[catalogue_number] => PAI 13 070009
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[weight] => 353.42
[form] => C18H27NO6
[cas] => 132970-17-3
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Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3,4-dimethoxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070009
Molecular Formula : C18H27NO6
Molecular Weight : 353.42
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[form] => C17H25NO6
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Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070010
Molecular Formula : C17H25NO6
Molecular Weight : 339.39
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Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070011
Molecular Formula : C17H25NO6
Molecular Weight : 339.39
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[catalogue_number] => PAI 13 070012
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[weight] => 239.27
[form] => C12H17NO4
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Methyl (S)-2-amino-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoate
Catalogue No.:PAI 13 070012
Molecular Formula : C12H17NO4
Molecular Weight : 239.27
stdClass Object
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[weight] => 325.36
[form] => C16H23NO6
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(S)-2-((tert-Butoxycarbonyl)amino)-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid
Catalogue No.:PAI 13 070013
Molecular Formula : C16H23NO6
Molecular Weight : 325.36