(R)-(+)-3-METHYLSUCCINIC ACID 1-MONOMETHYL ESTER

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

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