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    (E)-2-methoxy-4-(2-nitrovinyl)phenol

    (E)-2-methoxy-4-(2-nitrovinyl)phenol

    Synonym

    (E)-2-methoxy-4-(2-nitrovinyl)phenol

    Molecular Formula

    C9H9NO4

    Molecular Weight

    195.17

    Catalogue Number

    AR-D02252

    Parent Drug

    DOPA

    CAS Number

    22568-51-0

    Common Package:10,25,50,100 mg

    Collections: DOPA

    Category: 22568-51-0 AR-D02252 C9H9NO4 DOPA

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    Synonym

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    Synonym

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    Synonym

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    Molecular Formula

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    Synonym

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    Molecular Formula

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    Synonym

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    (2R,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid

    Synonym

    (2R,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid

    Molecular Formula

    C9H11NO5

    Molecular Weight

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    3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid

    Synonym

    3-(3,4-dihydroxyphenyl)-2-methylpropanoic acid

    Molecular Formula

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    Molecular Weight

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    Molecular Formula

    13C6 C3H11NO5

    Molecular Weight

    219.12

    Catalogue Number

    AR-D02241

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    L-threo-Droxidopa-13C2-15N

    Molecular Formula

    13C2 C7H11 15NO5

    Molecular Weight

    216.17

    Catalogue Number

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    Droxidopa

    Synonym

    (2S,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid

    Molecular Formula

    C9H11NO5

    Molecular Weight

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    6-Hydroxy L-DOPA (Levadopa Related Compound A)

    Synonym

    (S)-2-amino-3-(2,4,5-trihydroxyphenyl)propanoic acid

    Molecular Formula

    C9H11NO5

    Molecular Weight

    213.19

    Catalogue Number

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    Methyldopa EP Impurity C

    Synonym

    (S)-2-amino-3-(3,4-dimethoxyphenyl)-2-methylpropanoic acid

    Molecular Formula

    C12H17NO4

    Molecular Weight

    239.27

    Catalogue Number

    AR-D02237

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    Synonym

    2-(3,4-dihydroxyphenyl)acetaldehyde

    Molecular Formula

    C8H8O3

    Molecular Weight

    152.15

    Catalogue Number

    AR-D02236

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    5,6-dimethoxy-2-(piperidin-4-ylmethyl)-2,3-dihydro-1H-inden-1-one

    Synonym

    2-(3,4-dihydroxyphenyl)-2-hydroxyacetaldehyde

    Molecular Formula

    C8H8O4

    Molecular Weight

    168.15

    Catalogue Number

    AR-D02235

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    rac-Carbidopa Impurity H

    Synonym

    2-hydrazinyl-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid

    Molecular Formula

    C11H16N2O4

    Molecular Weight

    240.26

    Catalogue Number

    AR-C01376

    Parent Drug

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    Carbidopa Ethyl Ester HCl

    Synonym

    ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate hydrochloride

    Molecular Formula

    C12H18N2O4. HCl

    Molecular Weight

    254.29 36.46

    Catalogue Number

    AR-C01375

    Parent Drug

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    CAS Number

    96115-88-7
    Carbidopa Methyl Ester

    Synonym

    methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

    Molecular Formula

    C11H16N2O4

    Molecular Weight

    240.26

    Catalogue Number

    AR-C01374

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    5,6-dihydroxy-1H-indole-2-carboxylic acid

    Synonym

    5,6-dihydroxy-1H-indole-2-carboxylic acid

    Molecular Formula

    C9H7NO4

    Molecular Weight

    193.16

    Catalogue Number

    AR-D02231

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    CAS Number

    4790-08-3
    Carbidopa EP Impurity B

    Synonym

    (S)-methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

    Molecular Formula

    C11H15NO4

    Molecular Weight

    225.24

    Catalogue Number

    AR-C01373

    Parent Drug

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    CAS Number

    18181-08-3
    Carbidopa EP Impurity C

    Synonym

    (S)-2-hydrazinyl-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid

    Molecular Formula

    C11H16N2O4

    Molecular Weight

    240.26

    Catalogue Number

    AR-C01372

    Parent Drug

    DOPA
    Carbidopa EP Impurity G

    Synonym

    1-(3,4-dihydroxyphenyl)propan-2-one

    Molecular Formula

    C9H10O3

    Molecular Weight

    166.18

    Catalogue Number

    AR-C01371

    Parent Drug

    DOPA

    CAS Number

    2503-44-8
    Carbidopa EP Impurity H

    Synonym

    (S)-2-hydrazinyl-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid

    Molecular Formula

    C11H16N2O4

    Molecular Weight

    240.26

    Catalogue Number

    AR-C01370

    Parent Drug

    DOPA
    Carbidopa EP Impurity F

    Synonym

    (S)-ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

    Molecular Formula

    C12H18N2O4

    Molecular Weight

    254.29

    Catalogue Number

    AR-C01369

    Parent Drug

    DOPA

    CAS Number

    1458640-32-8
    Carbidopa EP Impurity E

    Synonym

    (S)-methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

    Molecular Formula

    C11H16N2O4

    Molecular Weight

    240.26

    Catalogue Number

    AR-C01368

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    DOPA

    CAS Number

    52514-63-3
    (S)-methyl 2-(2-cyclohexylidenehydrazinyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

    Synonym

    (S)-methyl 2-(2-cyclohexylidenehydrazinyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

    Molecular Formula

    C17H24N2O4

    Molecular Weight

    320.39

    Catalogue Number

    AR-C01367

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    DOPA

    CAS Number

    934371-48-9
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    Molecular Formula

    C10H10D3NO4

    Molecular Weight

    214.24

    Catalogue Number

    AR-D02223

    Parent Drug

    DOPA

    CAS Number

    55-40-3 (non-labelled)
    Methyldopa EP Impurity B HCl

    Synonym

    (S)-2-amino-3-(4-methoxyphenyl)-2-methylpropanoic acid hydrochloride

    Molecular Formula

    C11H15NO3. HCl

    Molecular Weight

    209.25 36.46

    Catalogue Number

    AR-D02222

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    CAS Number

    35026-10-9
    Dopamine Impurity C (3,4-Dimethoxyphenethylamine)

    Synonym

    2-(3,4-dimethoxyphenyl)ethanamine

    Molecular Formula

    C10H15NO2

    Molecular Weight

    181.24

    Catalogue Number

    AR-D02221

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    CAS Number

    120-20-7
    rac-Carbidopa EP Impurity I (3-Bromo Carbidopa)

    Synonym

    3-(3-bromo-4,5-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid

    Molecular Formula

    C10H13BrN2O4

    Molecular Weight

    305.13

    Catalogue Number

    AR-C01366

    Parent Drug

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    CAS Number

    1246819-09-9