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Home > All categories> Food and Feed Additives> Feed Additives> Amino acids and small peptides> (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid
Picture of (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid

(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid

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Origin: China

Cas No: 21947-98-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Quick Details

    CAS No.:
    21947-98-8
    Other Names:
    BOC-L-CYS(TRT)-OH
    MF:
    C27H29NO4S
    EINECS No.:
    244-674-6
    Place of Origin:
    Shaanxi, China
    Type:
    Agrochemical Intermediates, Dyestuff Intermediates, Flavor & Fragrance Intermediates, Pharmaceutical Intermediates, Syntheses Material Intermediates
    Purity:
    99%min
    Brand Name:
    DIDAC
    Model Number:
    DAC170112
    Application:
    Pharm/Chem Industries
    Appearance:
    Liquid Form
    Structure Identification:
    H-NMR&LC-MS
    Identification:
    Infrared Absorption
    Test method:
    HPLC-ESI-MS
    Content:
    99.0% to 101.0%
    Water:
    0.5% Max.
    Sulfated ash:
    0.1% Max.
    Heavy metals:
    10ppm Max
    Total Impurity:
    0.2% Max.
    Assay:
    HPLC
    Disregard limit:
    0.0005%

    Packaging&Delivery

    Packaging Details
    25kgs/Drum; 200kgs/Drum
    Port
    Any main port of China

    Products Description

    Item
    Standard
    Test Results





    Identification
    A.H-NMR:Comply with the structure
    Complies
    B.LC-MS:Comply with the structure
    Complies
    C.The IR spectrum of sample should be identical with that of reference standard;
    Complies
    D.HPLC-ESI-MS
    The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the
    Standard preparation, as obtained in the Assay.
    Complies
    Crystallinity
    meets the requirements.
    Complies
    Loss on drying
    ≤2.0%
    0.19%
    Heavy metals
    ≤10 ppm
    <10ppm
    Water
    ≤1.0%
    0.1%
    Sulphated ash
    ≤0.5%, determined on 1.0 g.
    0.009%

    Related substances
    Unspecified impurities: for each impurity ≤0.10%
    <0.10%
    Total Impurity ≤0.5%
    0.18%
    Purity
    ≥99.0%
    99.7%
    Assay
    99.0%~101.0% (anhydrous substance).
    99.8%
    Storage
    Preserve in well-closed, light-resistant and airtight containers.
    Complies

  • Property

    CAS No.: 21947-98-8 Formula: C27H29NO4S Molecular Weight: 463.58800

    Basic Info

    Chemical Name (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid
    Synonyms

    Boc-Cys(trt)-OH;
    (R)-2-(tert-Butoxycarbonylamino)-3-(tritylthio)propanoic acid;
    BOC-S-trityl-L-cysteine;
    N-[(1,1-dimethylethoxy)carbonyl]-S-trityl-L-cysteine;
    N-(tert-Butoxycarbonyl)-S-trityl-L-cysteine;
    S-trityl-N-Boc-(R)-cysteine;
    N-t-butyloxycarbonyl-S-trityl-L-cysteine;
    S-trityl-N-Boc-cysteine;
    N-t-butoxycarbonyl-S-trityl-L-Cysteine;
    N-Boc-S-Trityl-L-cysteine;

    CAS No. 21947-98-8
    Molecular Formula C27H29NO4S
    Molecular Weight 463.58800
    PSA 100.93000
    LogP 6.08050

    Properties

    Appearance & Physical State White Powder
    Density 1.2 g/cm3
    Boiling Point 610.9ºC at 760 mmHg
    Melting Point 143-146ºC
    Flash Point 323.3ºC
    Refractive Index 1.596
    Storage Condition 2-8ºC
    Vapor Pressure 0mmHg at 25°C

    Safety Info

    Safety Statements S22-S24/25
    WGK Germany 3

    Synthesis Route

    tert-butoxycarbonyl anhydride+S-Trityl-L-cysteine→(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid
    Triphenylmethyl Chloride→(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid
    Triphenylmethanol→(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoic acid

    Precursor

    Triphenylmethyl Chloride
    Triphenylmethanol
    tert-butoxycarbonyl anhydride
    tert-butyl N-diazocarbamate

    Downstream Product

    (BOC-CYS-OH)2
    (2S)-1-[(2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-tritylsulfanylpropanoyl]pyrrolidine-2-carboxylic acid
    (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[(3-nitropyridin-2-yl)disulfanyl]propanoic acid
    tert-butyl N-[(2S)-1-[methoxy(methyl)amino]-1-oxo-3-tritylsulfanylpropan-2-yl]carbamate

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