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    Pharmaceutical intermediates

    English Name4-(Trimethylsilyl)-3-butyn-2-one  
    CAS 5930-98-3 
    Molecular Formula(CH3)3SiC《CCOCH3  
    Molecular Weight 140.26
    Physical And Chemical Propertiesbp 156<C(lit.)
    nD20 1.442(lit.)  
    fp 28<C  
    Puality IndexappearanceColorless liquid
    assay 97%
    PurposeAn important medical intermediates