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DL-苹果酸二甲酯

产品名称 DL-苹果酸二甲酯

CAS号38115-87-6

分子式C6H10O5

分子量162.14

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  • Mass

    MS-NW-1212          
    dimethyl DL-malate
    C6H10O5             (Mass of molecular ion:    162)
    

       Source Temperature: 250 °C
       Sample Temperature: 180 °C
       Reservoir, 75 eV
    

          14.0       1.7
          15.0      38.7
          18.0       1.6
          26.0       2.8
          27.0       4.3
          28.0       6.7
          29.0      11.6
          30.0       2.0
          31.0      10.3
          32.0       1.8
          33.0      22.0
          41.0       1.3
          42.0      10.7
          43.0      70.4
          44.0      11.3
          45.0       2.1
          53.0       1.1
          54.0       1.6
          55.0       4.0
          57.0       1.1
          58.0       1.0
          59.0      24.0
          61.0      43.3
          69.0       1.3
          71.0      85.3
          72.0       2.8
          74.0       8.6
          85.0       2.9
         101.0       1.2
         102.0       7.3
         103.0     100.0
         104.0       4.5
         113.0       8.9
         114.0       2.4
         130.0       3.6
         131.0       5.1
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C6 H10 O5 0.04 ml : 0.5 ml CDCl3
    dimethyl DL-malate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 4.53 B 3.814 C 3.720 D 3.52 E *1 2.87 F *1 2.81

         Hz     ppm     Int.
    

        411.06   4.590     48
        405.88   4.532     58
        405.31   4.526     69
        400.38   4.471     56
        341.63   3.815    928
        339.50   3.791     54
        338.50   3.780     37
        333.19   3.721   1000
        331.56   3.703     41
        314.81   3.516    153
        257.13   2.872    163
        256.81   2.868    163
        252.38   2.818    116
        250.94   2.802    114
    

in CDCl3



CCl4 solution



liquid film



4880 A,200 M,liquid