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    Acetylcysteine EP Impurity B-13C3 (L-Cysteine-13C3)

    Acetylcysteine EP Impurity B-13C3 (L-Cysteine-13C3)

    Synonym

    (R)-2-amino-3-mercaptopropanoic acid-13C3

    Molecular Formula

    13C3 H7NO2S

    Molecular Weight

    124.13

    Catalogue Number

    AR-C03922

    Parent Drug

    CYSTEINE

    CAS Number

    52-90-4 (non-labelled)

    Common Package:10,25,50,100 mg

    Collections: CYSTEINE

    Category: 13C3 H7NO2S 52-90-4 (non-labelled) AR-C03922 CYSTEINE

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    N-Acetyl-S-(2-hydroxypropyl)Cysteine-d6 Dicyclohexylammonium Salt

    Synonym

    Dicyclohexylamine 2-acetamido-3-((2-hydroxypropyl)thio)propanoate-D6

    Molecular Formula

    C8H9D6NO4S. C12H23N

    Molecular Weight

    227.31 181.32

    Catalogue Number

    AR-C03928

    Parent Drug

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    (4R)-6-methyl-1,2,5-oxathiazinane-4-carboxylic acid

    Synonym

    (4R)-6-methyl-1,2,5-oxathiazinane-4-carboxylic acid

    Molecular Formula

    C5H9NO3S

    Molecular Weight

    163.19

    Catalogue Number

    AR-C03927

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    N,S-Carboxymethyl L-Cysteine

    Synonym

    (R)-2-((carboxymethyl)amino)-3-((carboxymethyl)thio)propanoic acid

    Molecular Formula

    C7H11NO6S

    Molecular Weight

    237.23

    Catalogue Number

    AR-C03926

    Parent Drug

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    N-Acetyl-S-(2-hydroxypropyl)Cysteine-d3 Dicyclohexylammonium Salt

    Synonym

    dicyclohexylamine (2R)-2-acetamido-3-((2-hydroxypropyl)thio)propanoate-D3

    Molecular Formula

    C8H12D3NO4S. C12H23N

    Molecular Weight

    224.29 181.32

    Catalogue Number

    AR-C03925

    Parent Drug

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    CAS Number

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    N-Acetyl-S-(2-hydroxypropyl)-L-Cysteine Dicyclohexylammonium Salt

    Synonym

    dicyclohexylamine (2R)-2-acetamido-3-((2-hydroxypropyl)thio)propanoate

    Molecular Formula

    C8H15NO4S. C12H23N

    Molecular Weight

    221.27 181.32

    Catalogue Number

    AR-C03924

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    N-(Acetyl-d3)-S-(3-Oxopropyl)-L-Cysteine

    Synonym

    (R)-2-acetamido-3-((3-oxopropyl)thio)propanoic acid-D3

    Molecular Formula

    C8H10D3NO4S

    Molecular Weight

    222.27

    Catalogue Number

    AR-C03923

    Parent Drug

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    CAS Number

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    S-Adenosyl-L-Homocysteine-15N4

    Synonym

    (S)-2-amino-4-((((2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl)thio)butanoic acid-15N4

    Molecular Formula

    15N4 C14H20N2O5S

    Molecular Weight

    388.38

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    S-Adenosyl-L-Homocysteine

    Synonym

    (S)-2-amino-4-((((2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl)thio)butanoic acid

    Molecular Formula

    C14H20N6O5S

    Molecular Weight

    384.41

    Catalogue Number

    AR-C03920

    Parent Drug

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    L-Cysteine S-Sulfate-13C3-15N

    Synonym

    (R)-2-amino-3-(sulfothio)propanoic acid-13C3 15N

    Molecular Formula

    13C3 15N H7O5S2

    Molecular Weight

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    Catalogue Number

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    Parent Drug

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    L-Cysteine S-Sulfate

    Synonym

    (R)-2-amino-3-(sulfothio)propanoic acid

    Molecular Formula

    C3H7NO5S2

    Molecular Weight

    201.21

    Catalogue Number

    AR-C03918

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    (S)-Acetylcysteine

    Synonym

    (S)-2-acetamido-3-mercaptopropanoic acid

    Molecular Formula

    C5H9NO3S

    Molecular Weight

    163.19

    Catalogue Number

    AR-C03917

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    L-Cysteic Acid

    Synonym

    (R)-2-amino-3-sulfopropanoic acid

    Molecular Formula

    C3H7NO5S

    Molecular Weight

    169.15

    Catalogue Number

    AR-C03916

    Parent Drug

    CYSTEINE

    CAS Number

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    (R)-2-acetamido-3-sulfopropanoic acid

    Synonym

    (R)-2-acetamido-3-sulfopropanoic acid

    Molecular Formula

    C5H9NO6S

    Molecular Weight

    211.19

    Catalogue Number

    AR-C03915

    Parent Drug

    CYSTEINE

    CAS Number

    79560-92-2
    (2R)-2-acetamido-3-sulfinopropanoic acid

    Synonym

    (2R)-2-acetamido-3-sulfinopropanoic acid

    Molecular Formula

    C5H9NO5S

    Molecular Weight

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    Parent Drug

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    S-Trityl-N-Fomc_L-Cysteine-34S

    Synonym

    (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tritylthio)propanoic acid-34S

    Molecular Formula

    34S C37H31NO4

    Molecular Weight

    587.63

    Catalogue Number

    AR-C03913

    Parent Drug

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    CAS Number

    103213-32-7 (non-labelled)
    S-Trityl-N-Fomc_L-Cysteine

    Synonym

    (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tritylthio)propanoic acid

    Molecular Formula

    C37H31NO4S

    Molecular Weight

    585.72

    Catalogue Number

    AR-C03912

    Parent Drug

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    N-Acetyl-S-3-Hydroxypropylcysteine-d6

    Synonym

    (S,Z)-2-amino-4-((2-((1-aminoethylidene)amino)ethyl)thio)butanoic acid-D5

    Molecular Formula

    C8H9D6NO4S

    Molecular Weight

    227.31

    Catalogue Number

    AR-C03911

    Parent Drug

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    N-Acetyl-S-(3-Oxopropyl)-L-Cysteine

    Synonym

    (R)-2-acetamido-3-((3-oxopropyl)thio)propanoic acid

    Molecular Formula

    C8H13NO4S

    Molecular Weight

    219.26

    Catalogue Number

    AR-C03910

    Parent Drug

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    CAS Number

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    N-Acetyl-S-3-Hydroxypropylcysteine

    Synonym

    (R)-2-acetamido-3-((3-hydroxypropyl)thio)propanoic acid

    Molecular Formula

    C8H15NO4S

    Molecular Weight

    221.27

    Catalogue Number

    AR-C03909

    Parent Drug

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    CAS Number

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    S-[2-[(1-iminoethyl)amino]ethyl]-L-Homocysteine

    Synonym

    (S,Z)-2-amino-4-((2-((1-aminoethylidene)amino)ethyl)thio)butanoic acid

    Molecular Formula

    C8H17N3O2S

    Molecular Weight

    219.31

    Catalogue Number

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    Parent Drug

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    D-Homocysteine Thiolactone

    Synonym

    (R)-3-aminodihydrothiophen-2(3H)-one

    Molecular Formula

    C4H7NOS

    Molecular Weight

    117.17

    Catalogue Number

    AR-C03907

    Parent Drug

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    CAS Number

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    L-Homocysteine Thiolactone

    Synonym

    (S)-3-aminodihydrothiophen-2(3H)-one

    Molecular Formula

    C4H7NOS

    Molecular Weight

    117.17

    Catalogue Number

    AR-C03906

    Parent Drug

    CYSTEINE

    CAS Number

    2338-04-7
    DL-Homocysteine Thiolactone

    Synonym

    3-aminodihydrothiophen-2(3H)-one

    Molecular Formula

    C4H7NOS

    Molecular Weight

    117.17

    Catalogue Number

    AR-C03905

    Parent Drug

    CYSTEINE

    CAS Number

    10593-85-8
    D-Homocysteine Lactone

    Synonym

    (R)-3-aminodihydrofuran-2(3H)-one

    Molecular Formula

    C4H7NO2

    Molecular Weight

    101.11

    Catalogue Number

    AR-C03904

    Parent Drug

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    CAS Number

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    L-Lysine S-(Carboxymethyl)-L-Cysteine

    Synonym

    (R)-2-amino-3-((carboxymethyl)thio)propanoic acid compound with (S)-2,6-diaminohexanoic acid (1:1)

    Molecular Formula

    C6H14N2O2 C5H9NO4S

    Molecular Weight

    146.19 179.20

    Catalogue Number

    AR-C03902

    Parent Drug

    CYSTEINE

    CAS Number

    49673-81-6
    S-(1,2,2-Trichlorovinyl)-Cysteine-13C3-15N

    Synonym

    (R)-2-amino-3-((1,2,2-trichlorovinyl)thio)propanoic acid-13C3 15N

    Molecular Formula

    C5H6Cl3NO2S

    Molecular Weight

    254.49

    Catalogue Number

    AR-C03901

    Parent Drug

    CYSTEINE

    CAS Number

    N/A
    S-(1,2,2-Trichlorovinyl)-Cysteine

    Synonym

    (R)-2-amino-3-((1,2,2-trichlorovinyl)thio)propanoic acid

    Molecular Formula

    C5H6Cl3NO2S

    Molecular Weight

    250.53

    Catalogue Number

    AR-C03900

    Parent Drug

    CYSTEINE

    CAS Number

    98025-31-1
    sodium 2-methyl-4,5-dihydrothiazole-4-carboxylate

    Synonym

    sodium 2-methyl-4,5-dihydrothiazole-4-carboxylate

    Molecular Formula

    C5H6NO2S. Na

    Molecular Weight

    144.17 22.99

    Catalogue Number

    AR-C03899

    Parent Drug

    CYSTEINE

    CAS Number

    15058-19-2
    N,S-Carboxymethyl Cysteine HCl

    Synonym

    (R)-2-((carboxymethyl)amino)-3-((carboxymethyl)thio)propanoic acid hydrochloride

    Molecular Formula

    C7H11NO6S. HCl

    Molecular Weight

    237.23 36.46

    Catalogue Number

    AR-C03898

    Parent Drug

    CYSTEINE
    N-Acetyl-L-Cysteine-d3 (Acetylcysteine-d3)

    Synonym

    (R)-2-acetamido-3-mercaptopropanoic acid-d3

    Molecular Formula

    C5H6D3NO3S

    Molecular Weight

    166.21

    Catalogue Number

    AR-C03897

    Parent Drug

    CYSTEINE

    CAS Number

    131685-11-5
    S-Carboxypropyl-L-Cysteine-(S)-Sulfoxide

    Synonym

    4-((R)-((R)-2-amino-2-carboxyethyl)sulfinyl)butanoic acid

    Molecular Formula

    C7H13NO5S

    Molecular Weight

    223.25

    Catalogue Number

    AR-C03895

    Parent Drug

    CYSTEINE

    CAS Number

    N/A
    S-Carboxypropyl-L-Cysteine-(R)-Sulfoxide

    Synonym

    4-((S)-((R)-2-amino-2-carboxyethyl)sulfinyl)butanoic acid

    Molecular Formula

    C7H13NO5S

    Molecular Weight

    223.25

    Catalogue Number

    AR-C03894

    Parent Drug

    CYSTEINE

    CAS Number

    N/A
    S-Methyl-L-Cysteine-S-oxide

    Synonym

    (2R)-2-amino-3-(methylsulfinyl)propanoic acid

    Molecular Formula

    C4H9NO3S

    Molecular Weight

    151.18

    Catalogue Number

    AR-C03893

    Parent Drug

    CYSTEINE

    CAS Number

    6853-87-8
    N-Acetyl-S-(2-Carbamoyl-2-Hydroxyethyl) Cysteine

    Synonym

    (2R)-2-acetamido-3-((3-amino-2-hydroxy-3-oxopropyl)thio)propanoic acid

    Molecular Formula

    C8H14N2O5S

    Molecular Weight

    250.28

    Catalogue Number

    AR-C03892

    Parent Drug

    CYSTEINE

    CAS Number

    137698-08-9
    S-Carboxymethyl L-Cysteine Lactam

    Synonym

    (R)-5-oxothiomorpholine-3-carboxylic acid

    Molecular Formula

    C5H7NO3

    Molecular Weight

    161.18

    Catalogue Number

    AR-C03891

    Parent Drug

    CYSTEINE

    CAS Number

    62305-89-9
    S-Carboxymethyl L-Cysteine Sulfoxide

    Synonym

    (2R)-2-amino-3-((carboxymethyl)sulfinyl)propanoic acid

    Molecular Formula

    C5H9NO5S

    Molecular Weight

    195.20

    Catalogue Number

    AR-C03890

    Parent Drug

    CYSTEINE

    CAS Number

    5439-87-2
    S-(1,2-Dichlorovinyl)-Cysteine-13C3-15N

    Synonym

    (R,E)-2-amino-3-((1,2-dichlorovinyl)thio)propanoic acid-13C3 15N

    Molecular Formula

    C2H7Cl2O2S 13C3 15N

    Molecular Weight

    220.05

    Catalogue Number

    AR-C03889

    Parent Drug

    CYSTEINE

    CAS Number

    13419-46-0 (non-labelled)
    S-(1,2-Dichlorovinyl)-Cysteine

    Synonym

    (R,E)-2-amino-3-((1,2-dichlorovinyl)thio)propanoic acid

    Molecular Formula

    C5H7Cl2NO2S

    Molecular Weight

    216.09

    Catalogue Number

    AR-C03888

    Parent Drug

    CYSTEINE

    CAS Number

    13419-46-0