Product Details

L-AMINO ACID > L-Cysteine HCL MONO

    L-Cysteine HCL MONO

    CAS NO:7048-4-6

    Chemical Name L-Cysteine HCL MONO
    Molecular Structure
    Molecular Formula C3H7NO2S·HCL·H2O
    Molecular Weight 175.63
    Characteristics White crystalline powder,tasteless,easily soluble in water but insoluble in alcohol and ether
    Packing 25/drum25/carton
    Quality  Standard AJI92/USP28/EP5/FCCIV
    Specification
    Specific rotation[a]D20° 

    +5.5°+7.0°

    +8.0 +10.1°

    Calc.as.cysteine
    State of solution Clear and colorless
    Heavy metals(Pb) ≤10PPm 
    Residue on ignition ≤0.1%
    Iron(Fe) ≤10PPm
    Loss on drying 8.512.0 
    Other amino acids     Chromatographically not detectable
    Arsenic(As2O3)  ≤1PPm
    Chloride(CI) 19.8920.29
    Ammonium(NH4) ≤0.02%
    Sulfate(SO4) ≤0.02%
    Assay 99.0100.5%
    PH 1.52.0