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L-Cystine

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Origin: China

Cas No: 56-89-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 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.:
    56-89-3
    Other Names:
    L-Cystine
    MF:
    C6H12N2O4S2
    EINECS No.:
    200-296-3
    Place of Origin:
    Shandong, China (Mainland)
    Type:
    Vitamins, Amino Acids and Coenzymes
    Grade Standard:
    Food Grade, Medicine Grade
    Usage:
    Animal Pharmaceuticals
    Brand Name:
    Fousi
    Model Number:
    FS-179
    Purity:
    99%
    Product Name:
    L-Cystine
    Color:
    White Crstal
    Shelf life:
    2 years
    Form:
    chinese supplier
    sample:
    Free
    MOQ:
    1 KG
    COA:
    Availale
    MP:
    >240 °C (dec.)(lit.)
    Density:
    1.68

    Packaging&Delivery

    Packaging Details
    25kg/drum
    Port
    QINGDAO ,SHANGHAI
    Lead Time:
    Quantity(Kilograms)1 - 1>1
    Est. Time(days)15To be negotiated

  • Property

    CAS No.: 56-89-3 Formula: C6H12N2O4S2 Molecular Weight: 240.30000

    Description

    Cystine is the oxidized dimer form of the amino acid cysteine and has formula (SCH2CH(NH2)CO2H)2. It is a white solid that is slightly soluble in water. It serves two biological functions, a site of redox reactions and a mechanical linkage that allows proteins to retain their 3-dimensional structure.

    Basic Info

    Chemical Name L-Cystine
    Synonyms

    (H-Cys-OH)2;
    L-CYSTINE;
    .β.,.β.'-Diamino-.β.,.β.'-dicarboxydiethyl disulfide;
    Cystin;
    1-cystine;
    Nephrin;
    Dicysteine;
    l-cystin;
    (R,R)-cystine;
    h-(cys);
    (R,R)-3,3'-Dithiobis(2-aminopropionicacid);
    (CYS)2;
    L-CYTISINE;
    [3H]-Cystine;

    CAS No. 56-89-3
    Molecular Formula C6H12N2O4S2
    Molecular Weight 240.30000
    PSA 177.24000
    LogP 0.59220

    Properties

    Appearance & Physical State White crystalline powder
    Density 1.571 g/cm3
    Boiling Point 468.2ºC at 760 mmHg
    Melting Point 260-261ºC
    Flash Point 237ºC
    Stability Stable. Incompatible with strong oxidizing agents.
    Storage Condition Store at RT.

    Safety Info

    RTECS HA2690000
    Safety Statements S24/25
    HS Code 2930901000
    WGK Germany 3
    Packing Group III
    Risk Statements R36/37/38
    Hazard Codes Xi

    Synthesis Route

    L-Cysteine→3-sulfino-L-alanine+L-Cystine
    H-Cys(Acm)(O)-OH→L-Cysteine+L-cysteic acid
    L-Cysteine→L-cysteic acid+L-Cystine

    Precursor

    H-Cys(Ad)-OH
    2-Amino-3-[(4-methoxybenzyl)thio]propanoic acid
    2-amino-3-[(4-methoxyphenyl)methylsulfinyl]propanoic acid
    H-Cys(Acm)(O)-OH

    Downstream Product

    2-Aminophenylacetic acid
    L-cystathionine
    (AC-CYS-OH)2
    Dimethyl cystinate

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