Category
Carbidopa
CAS Number
Carbidopa STD:28860-95-9:IMP-A-555-30-6-IMP-B-18181-08-3-IMP-C-84488-77-7 -IMP-D-934371-48-9-IMP-E-52514-63-3-IMP-F-1458640-32-8-IMP-G-2503-44-8-IMP-H-1361017-74-4
Molecular Formula
Carbidopa STD-C10H14N2O4:IMP-A-C10H13NO4-IMP-B-C11H15NO4-IMP-C-C11H16N2O4 -IMP-D-C17H24N2O4-IMP-E-C11H16N2O4 -IMP-F-C12H18N2O4 -IMP-G-C9H10O3 -IMP-H-C11H16N2O4
Molecular Weight
Carbidopa standard:226.23 g/mol;IMP-A-211.2g/molIMP-B-225.2g/mol-IMP-C-240.3g/mol-IMP-D-320.4g/mol-IMP-E-240.3Gg/mo-IMP-F-254.3 g/mol-IMP-G-166.2g/mol-IMP-H-240.3g/mol
Synonym

Carbidopa : Carbidopa (IP); (S)-(-)-Carbidopa; (S)-3-(3,4-Dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic Acid; α-Methyldopahydrazine; Carbidopa (USP);

Carbidopa EP IMP-A- (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid ; L-Methyldopa ;

Carbidopa EP IMP-B- Methyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate ;α-Methyldopa Methyl Ester;

Carbidopa EP IMP-C-(S)-2-Hydrazinyl-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid ; (S)-2-Hydrazinyl-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid , 3-O-Methylcarbidopa (EP & USP);

Carbidopa EP IMP-D- Methyl (2S)-2-(2-cyclohexylidenehydrazino)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate;

Carbidopa EP IMP-E- Methyl (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methylpropanoate; Carbidopa Methyl Ester;

Carbidopa EP IMP-F-Ethyl (2S)-3-(3,4-dihydroxyphenyl)-2-hydrazino-2-methylpropanoate  ; Ethyl (S)-3-(3,4-dihydroxyphenyl)-2-hydrazineyl-2-methylpropanoate  ;

Carbidopa EP IMP-G- 1-(3,4-Dihydroxyphenyl)propan-2-one;

Carbidopa EP IMP-H- 2S)-2-Hydrazino-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid,(2S),(S)-2-Hydrazinyl-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic Acid;

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Purity:

Above - 95.0%

Technical Data:

We will provide complete documentation support for every Standard Material. All analytical reports such as ¹H NMR, ¹³C NMR, Mass, FT-IR, HPLC Purity/GC Purity/QNMR Purity, Water content by KF/ Loss on Drying/TGA (Thermo-gravimetric Analysis). Certificate of Analysis with potency report. Each Standard Material SER (Structure Elucidation Report) with NMR, Mass, IR spectral interpretation. This whole analytical document can be included in eCTD, ANDA, DMF submissions to regulatory agencies.

Carbidopa CRS is used in system suitability testing to ensure proper chromatographic performance during analysis of carbidopa-containing formulations. It helps verify peak resolution, retention time consistency, and accuracy in assay and impurity profiling.