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Α-甲基乙酰丙酸

产品名称 Α-甲基乙酰丙酸

CAS号6641-83-4

分子式C6H10O3

分子量130.14

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  • Mass

    MS-IW-4102          
    2-methyl-4-oxovaleric acid
    C6H10O3             (Mass of molecular ion:    130)
    

       Source Temperature: 220 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0       6.3
          18.0       1.2
          26.0       1.0
          27.0       8.2
          28.0       2.6
          29.0       2.0
          31.0       1.8
          39.0       7.8
          40.0       1.7
          41.0      17.5
          42.0      24.8
          43.0     100.0
          44.0       5.7
          45.0      22.4
          55.0       4.2
          58.0      14.5
          59.0       1.8
          61.0      33.5
          67.0       1.5
          69.0       9.6
          70.0      32.2
          71.0       5.4
          73.0      14.5
          84.0       2.1
          85.0       2.5
          87.0      11.3
          88.0       1.6
         112.0      15.7
         113.0      11.0
         115.0       4.6
         130.0       3.5
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C6 H10 O3 0.05 ml : 0.5 ml CDCl3
    2-methyl-4-oxovaleric acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.8 B 2.96 C *1 2.92 D *1 2.533 E 2.178 F 1.220

         Hz     ppm     Int.
    

       1192.60   2.985     46
       1184.54   2.964     87
       1180.51   2.954    154
       1176.84   2.945    199
       1170.80   2.930     57
       1163.29   2.911    147
       1155.05   2.891     76
       1026.83   2.570     34
       1021.70   2.557     67
       1017.86   2.547    156
       1005.22   2.516    148
       1001.19   2.506     44
        870.77   2.179   1000
        864.36   2.163     44
        491.44   1.230    571
        487.96   1.221    180
        484.29   1.212    545
        479.16   1.199     41
    

in CDCl3



liquid film