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Mutual Chemical Imp. & Exp. Co.,  Ltd.
Mutual Chemical Imp. & Exp. Co., Ltd.
China
  • Sell

    D-Tryptophan

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    Origin:
    China
    D-Tryptophan
    Product Name: D-Tryptophan
    Synonyms: ( R) -2-amino-3-( 3-indolyl) propionic acid
    Molecular Formula: C11H12N2O2
    CAS # : 153-94-6
    Test Items Standard
    appearance almost white powder
    Specific Rotation [ a] 20/ D + 30.0 to + 33.0 Degree ( C= 1 in H2O)
    assay 98.0 to 101.0%
    Chloride ( Cl) Not more than 0.10%
    Heavy Metals ( Pb) Not more than 10 PPM
    Loss on Drying Not more than 0.20%
    Residue on Ignition ( Sulfate) Not more than 0.20%

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