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右旋-2-甲基琥珀酸甲酯

产品名称 右旋-2-甲基琥珀酸甲酯

CAS号63163-08-6

分子式C7H12O4

分子量160.17


  • Mass

    MS-IW-9075          
    dimethyl (S)-methylsuccinate
    C7H12O4             (Mass of molecular ion:    160)
    

       Source Temperature: 200 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          15.0      14.1
          27.0       3.5
          28.0       5.2
          29.0       6.4
          31.0       1.7
          39.0       5.9
          40.0       1.6
          41.0      15.6
          42.0       9.0
          43.0       5.4
          45.0       2.0
          55.0       6.1
          56.0       1.6
          58.0       1.7
          59.0     100.0
          60.0       3.0
          69.0      14.6
          70.0       1.2
          72.0       1.6
          74.0       6.2
          85.0       1.5
          87.0      13.5
          99.0       1.5
         100.0      20.1
         101.0      22.6
         102.0       1.4
         128.0      28.1
         129.0      43.5
         130.0       3.1
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C7 H12 O4 0.05 ml : 0.5 ml CDCl3
    dimethyl (S)-methylsuccinate
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 3.702 B *1 3.684 C 2.927 D *2 2.746 E *2 2.424 F 1.227

         Hz     ppm     Int.
    

       1479.61   3.703   1000
       1472.29   3.684    927
       1181.27   2.956     43
       1175.17   2.941     52
       1174.19   2.939     65
       1173.22   2.936     59
       1167.97   2.923     57
       1167.11   2.921     73
       1166.02   2.918     60
       1159.91   2.903     56
       1110.23   2.779    117
       1102.05   2.758     89
       1093.75   2.737    140
       1085.57   2.717    120
        979.13   2.450    131
        973.14   2.435    124
        962.65   2.409    104
        956.54   2.394     99
        494.02   1.237    608
        486.82   1.219    597
    

in CDCl3



liquid film