Methyl levulinate

Mass

MS-NW-4264          
methyl 4-oxovalerate
C6H10O3             (Mass of molecular ion:    130)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      14.0       1.0
      15.0      15.2
      26.0       1.8
      27.0       7.0
      28.0       5.7
      29.0       2.3
      31.0       1.3
      39.0       1.4
      41.0       2.1
      42.0       4.7
      43.0     100.0
      44.0       2.4
      45.0       2.1
      55.0      16.1
      56.0       4.5
      57.0      10.5
      59.0      11.3
      71.0       6.4
      87.0       5.3
      88.0      10.9
      98.0       6.2
      99.0      23.5
     100.0       1.6
     115.0      18.7
     116.0       1.1
     130.0       2.2

Assign. Shift(ppm) A 3.676 B 2.751 C 2.592 D 2.195

     Hz     ppm     Int.

    329.25   3.677   1000
    253.63   2.832     29
    251.63   2.810     32
    247.69   2.766     98
    242.94   2.713    111
    242.25   2.705    125
    236.44   2.641    138
    235.38   2.629    120
    232.56   2.597     25
    230.69   2.576    108
    227.06   2.536     35
    225.00   2.513     35
    222.25   2.482     26
    196.56   2.195    842