Mass

MS-IW-9546          
1-acetyl-2-pyrrolidinone
C6H9NO2             (Mass of molecular ion:    127)

   Source Temperature: 230 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       4.7
      26.0       1.3
      27.0       3.9
      28.0       9.4
      29.0       1.8
      30.0       8.2
      39.0       2.9
      40.0       1.3
      41.0       9.5
      42.0      10.8
      43.0     100.0
      44.0       4.5
      55.0       1.8
      56.0       7.8
      57.0       4.8
      58.0       2.0
      69.0       3.1
      71.0       1.3
      72.0       1.3
      84.0      10.8
      85.0       9.3
      86.0      13.3
      98.0       2.4
      99.0      15.4
     112.0       1.0
     127.0      20.7
     128.0       1.8

Assign. Shift(ppm) A 3.807 B 2.612 C 2.483 D 2.061

     Hz     ppm     Int.

   1528.93   3.826    259
   1521.73   3.808    306
   1514.40   3.790    258
   1052.12   2.633    279
   1044.07   2.613    471
   1035.89   2.592    326
    992.55   2.484   1000
    839.36   2.101     84
    833.98   2.087     37
    831.54   2.081    158
    831.05   2.080    172
    826.17   2.068     51
    824.58   2.064    193
    823.73   2.062    201
    823.12   2.060    168
    816.53   2.044    179
    808.59   2.024     67