carbidopa
Carbidopa is used with another medicine called levodopa to treat the symptoms of Parkinson's disease. The pharmacologic objective is to get an exogenous dopamine-precursor known as levodopa/L-DOPA into the dopamine-deficient brains of PD patients.. Reference standards of Carbidopa API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
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(S)-3-(3,4-Dihydroxyphenyl)-2-methyl-2-(1-nitrosohydrazinyl)propanoic Acid
Catalogue No.:PA 30 0141010
Molecular Formula : C10H13N3O5
Molecular Weight : 255.23
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(S)-3-(4-Hydroxy-3-methoxyphenyl)-2-methyl-2-(1-nitrosohydrazineyl)propanoic Acid
Catalogue No.:PA 30 0141015
Molecular Formula : C11H15N3O5
Molecular Weight : 269.26
stdClass Object
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[pname] => Methyl (S)-2-(2-cyclohexylidene-1-nitrosohydrazineyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
[catalogue_number] => PA 30 0141016
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[weight] => 349.39
[form] => C17H23N3O5
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Methyl (S)-2-(2-cyclohexylidene-1-nitrosohydrazineyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate
Catalogue No.:PA 30 0141016
Molecular Formula : C17H23N3O5
Molecular Weight : 349.39
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Methyl (S)-3-(3,4-dihydroxyphenyl)-2-methyl-2-(1-nitrosohydrazineyl)propanoate
Catalogue No.:PA 30 0141017
Molecular Formula : C11H15N3O5
Molecular Weight : 269.26
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[catalogue_number] => PA 30 0141018
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[weight] => 283.28
[form] => C12H17N3O5
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Ethyl (S)-3-(3,4-dihydroxyphenyl)-2-methyl-2-(1-nitrosohydrazineyl)propanoate
Catalogue No.:PA 30 0141018
Molecular Formula : C12H17N3O5
Molecular Weight : 283.28
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(S)-3-(3-Hydroxy-4-methoxyphenyl)-2-methyl-2-(1-nitrosohydrazineyl)propanoic Acid
Catalogue No.:PA 30 0141019
Molecular Formula : C11H15N3O5
Molecular Weight : 269.26
stdClass Object
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[catalogue_number] => PA 30 0141020
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[chemical_name] =>
[weight] => 334.13
[form] => C10H12BrN3O5
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(S)-3-(3-Bromo-4,5-dihydroxyphenyl)-2-methyl-2-(1-nitrosohydrazineyl)propanoic Acid
Catalogue No.:PA 30 0141020
Molecular Formula : C10H12BrN3O5
Molecular Weight : 334.13
