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网站主页CAS数据库列表 81025-83-4更多图谱(R)-(+)-3-甲基琥珀酸单甲酯(81025-83-4)核磁图(1HNMR)

(R)-(+)-3-甲基琥珀酸单甲酯

产品名称 (R)-(+)-3-甲基琥珀酸单甲酯

CAS号81025-83-4

分子式C6H10O4

分子量146.14


  • Mass

    MS-IW-9056          
    4-methyl hydrogen (R)-methylsuccinate
    C6H10O4             (Mass of molecular ion:    146)
    

       Source Temperature: 210 °C
       Sample Temperature: 150 °C
       Reservoir, 75 eV
    

          14.0       1.8
          15.0      27.1
          18.0       2.0
          26.0       5.0
          27.0      25.1
          28.0      15.0
          29.0      20.4
          30.0       2.5
          31.0      31.0
          32.0      18.9
          33.0       3.3
          37.0       2.2
          38.0       4.1
          39.0      27.6
          40.0       8.8
          41.0      66.5
          42.0      87.9
          43.0     100.0
          44.0       5.0
          45.0      58.4
          46.0       1.3
          53.0       1.6
          55.0      23.8
          56.0       3.5
          57.0       1.4
          58.0       5.6
          59.0      75.7
          60.0       3.3
          61.0       1.1
          68.0       2.6
          69.0      33.7
          70.0       8.9
          71.0       2.2
          72.0       3.4
          73.0       4.5
          74.0      60.0
          75.0       2.3
          77.0       2.7
          85.0       3.2
          86.0      24.9
          87.0      68.7
          88.0       3.4
          99.0       3.2
         100.0      42.2
         101.0       8.6
         102.0       3.2
         113.0       1.0
         114.0      17.9
         115.0      67.2
         116.0       4.0
         128.0      21.7
         129.0       8.2
    

400 MHz in CDCl3


  • 1H NMR 399.65 MHz
    C6 H10 O4 0.05 ml : 0.5 ml CDCl3
    4-methyl hydrogen (R)-methylsuccinate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.5 B 3.699 C 2.966 D *1 2.752 E *1 2.443 F 1.268

         Hz     ppm     Int.
    

       1480.72   3.706    104
       1478.34   3.700   1000
       1196.26   2.994     42
       1190.22   2.979     54
       1189.12   2.976     61
       1188.20   2.974     59
       1182.89   2.960     60
       1182.16   2.958     68
       1181.06   2.956     60
       1175.01   2.941     54
       1112.92   2.785     97
       1105.04   2.766     79
       1096.25   2.744    122
       1088.19   2.723    105
        986.90   2.470    114
        980.86   2.455    112
        970.23   2.428     91
        964.19   2.413     86
        510.48   1.278    565
        503.34   1.260    552
    

in CDCl3



liquid film