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    L-Cystine and L-Cysteine Base

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    Origin:
    China

    Specification :

    L-Cystine and L-Cysteine Base
    1. L-Cystine, CAS NO.: 56-89-3
    Chemical Name: L-Cystine
    Molecular Formula: C6H12N2O4S2
    Molecular Weight: 240.29
    Characteristics: a colorless or white crystalline substance of hexagon, or crystalline powder, easily soluble in acid and alkali, insoluble in water and organic solvents such as alcohol, ethyl ether.
    Packing: 25kg/ drum, 25kg/ carton
    Quality Standard: aJI92/ USP28/ EP5/ FCCIV

    2. L-Cysteine Base, CAS NO.: 52-90-4
    Chemical Name: L-Cysteine Base
    Molecular Formula: C3H7NO2S
    Molecular Weight: 121.15
    Characteristics: White crystalline powder, tasteless, easily soluble in water but insoluble in alcohol and ether.
    Packing: 25kg/ drum, 25kg/ carton
    Qualified Standard: aJI92/ USP28/ EP5/ FCCIV



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