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2-氯乙酰乙酸甲酯

产品名称 2-氯乙酰乙酸甲酯

CAS号4755-81-1

分子式C5H7ClO3

分子量150.56

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  • Mass

    MS-NW-8521          
    methyl 2-chloroacetoacetate
    C5H7ClO3            (Mass of molecular ion:    150)
    

       Source Temperature: 260 °C
       Sample Temperature: 140 °C
       Reservoir, 75 eV
    

          15.0      10.9
          26.0       1.3
          27.0       4.8
          28.0       1.4
          29.0       2.9
          31.0       1.7
          41.0       1.7
          42.0       5.0
          43.0     100.0
          44.0       2.8
          48.0       1.1
          55.0       1.1
          59.0       3.6
          62.0       1.0
          69.0       2.7
          76.0       5.7
          78.0       1.9
         108.0       5.5
         110.0       1.8
         118.0       2.4
         119.0       1.8
         150.0       1.7
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C5 H7 Cl O3 0.05 ml : 0.5 ml CDCl3
    methyl 2-chloroacetoacetate
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 4.864 D(B) 3.853 D(C) 2.397

         Hz     ppm     Int.
    

       1459.21   4.864    333
       1155.90   3.853   1000
        719.09   2.397   1000
    

in CDCl3



liquid film