3-methyl-4-[2-(3-methyl-5-oxo-4H-oxazol-4-yl)propan-2-yl]-4H-oxazol-5-one

Mass

MS-IW-1152          
4,4'-isopropylidenebis(3-methyl-2-isoxazolin-5-one)
C11H14N2O4          (Mass of molecular ion:    238)

   Source Temperature: 150 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      14.0       1.2
      15.0       4.8
      18.0       1.6
      26.0       4.0
      27.0      15.0
      28.0       9.6
      29.0       2.9
      30.0       4.1
      31.0       1.5
      37.0       4.0
      38.0       7.2
      39.0      41.6
      40.0       8.7
      41.0      85.1
      42.0      22.4
      43.0      20.6
      44.0       3.4
      45.0       1.4
      50.0       4.7
      51.0       8.0
      52.0       6.8
      53.0      31.2
      54.0      10.4
      55.0      25.9
      56.0       2.3
      57.0       1.9
      58.0       3.4
      62.0       1.4
      63.0       3.3
      64.0       2.1
      65.0       7.8
      66.0       8.7
      67.0      18.0
      68.0      32.6
      69.0       6.4
      70.0       1.9
      71.0      44.9
      72.0       1.8
      77.0       5.9
      78.0       2.1
      79.0      20.5
      80.0      26.9
      81.0      20.4
      82.0      38.6
      83.0       3.4
      92.0       2.1
      93.0       5.6
      94.0      17.1
      95.0       4.8
      96.0       3.5
      97.0       1.3
      98.0       1.4
      99.0      49.8
     100.0       4.0
     106.0       2.2
     110.0      11.7
     111.0      11.5
     112.0       1.0
     120.0       1.0
     121.0       1.8
     122.0       1.9
     124.0      23.5
     125.0       1.8
     138.0       2.0
     139.0     100.0
     140.0      14.6
     141.0       1.3