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    Dorzolamide Hydrochloride

    Product name:
    Dorzolamide Hydrochloride
    CAS:
    130693-82-2
    化学品名:
    Xylometazoline
    Category:
    Pharmaceutical Intermediates
    Specification:
    Items
    Specifications
    Appearance
    White or white alike crystalline powder
    Identification
    1.      IR spectrum
    2.      by HPLC
    3.      Chlorides
    Water
    ≤0.5%
    Limit of dorzalamide HCl related compoud”A”
    ≤0.5%
    Chromatographic purity
    individual impurity
    Total impurity
     
    ≤0.1%
    ≤0.5%
    Residue on ignition
    ≤0.1%
    Heavy metal
    ≤10ppm
    Organic volatile impurities
    Acetone : ≤5000ppm
    Acetonitrile : ≤410ppm
    Ethyl acetate: ≤5000ppm
    Hexane : ≤290ppm
    Methanol : ≤3000ppm
    Tetrahydrofuran : ≤720ppm
    Toluene : ≤890ppm
    Iso propyl alcohol: ≤5000ppm
    Choroform : ≤60ppm
    1,4-dioxane: ≤380ppm
    Trichloroethene : ≤80ppm
    Dichloromethane : ≤600ppm
    Assay(on anhydrous basis)
    99.0~101.0%(C10H16N2O4S3.HCl)
    Conclusion It complies with  USP30.

    **If products protected by valid patents in this list are for laboratory analytical/research purposes only and are not offered for sale in countries where the sale of such products constitutes a patent infringement, its liability is at buyer's risk.

     
     
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