Methyl-5-norbornene-2,3-dicarboxylic anhydride

Mass

MS-NW-5561          
methyl nadic anhydride
C10H10O3            (Mass of molecular ion:    178)

   Source Temperature: 240 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      25.0       1.3
      26.0      12.1
      27.0       6.8
      28.0       3.2
      37.0       1.5
      38.0       2.9
      39.0      13.9
      40.0       4.1
      41.0       2.5
      44.0       1.2
      50.0       4.0
      51.0       7.6
      52.0       5.2
      53.0       3.9
      54.0       9.7
      55.0       4.7
      62.0       1.5
      63.0       3.4
      65.0       8.6
      66.0      22.4
      67.0       1.7
      74.0       1.0
      77.0      13.1
      78.0       5.5
      79.0      41.0
      80.0     100.0
      81.0       6.9
      91.0      17.8
      92.0       4.2
      93.0       1.0
      98.0       2.3
      99.0       2.4
     103.0       1.1
     105.0       5.7
     106.0       3.7
     119.0       3.8
     120.0       1.2
     133.0       3.2
     134.0       1.8
     178.0       4.5