Mass

MS-IW-6770          
(2-ethyl-2-butenoyl)urea
C7H12N2O2           (Mass of molecular ion:    156)

   Source Temperature: 150 °C
   Sample Temperature: 170 °C
   Direct, 75 eV

      15.0       2.9
      16.0       1.5
      17.0       4.0
      18.0      17.7
      26.0       5.8
      27.0      28.2
      28.0      44.4
      29.0      19.2
      30.0       1.6
      37.0       3.6
      38.0       5.5
      39.0      28.4
      40.0       9.3
      41.0      69.1
      42.0      20.4
      43.0      65.9
      44.0      31.0
      45.0       1.0
      49.0       1.2
      50.0       3.1
      51.0       6.0
      52.0      11.2
      53.0      66.4
      54.0      14.4
      55.0      34.3
      56.0       2.8
      61.0       3.9
      62.0       1.4
      63.0       2.9
      64.0       4.3
      65.0       6.2
      66.0       9.7
      67.0     100.0
      68.0      47.8
      69.0      31.5
      70.0       8.3
      71.0       1.0
      78.0       1.2
      79.0       2.7
      80.0      47.9
      81.0      11.3
      82.0       1.5
      84.0       1.7
      85.0       3.9
      92.0       1.3
      93.0       2.4
      94.0       5.6
      95.0      58.4
      96.0      60.7
      97.0      14.3
      98.0      51.7
      99.0       4.1
     112.0       2.6
     113.0      59.6
     114.0       5.1
     128.0       4.2
     141.0       2.9
     156.0      28.0
     157.0       3.0