2-Oxo-(2H)-furo(2,3-h)-1-benzopyran

Mass

MS-IW-7257          
furo(2,3-H)chromen-2-one
C11H6O3             (Mass of molecular ion:    186)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      18.0       1.6
      38.0       1.1
      50.0       3.1
      51.0       8.7
      52.0       1.3
      62.0       1.2
      63.0       2.4
      65.0       1.8
      74.0       2.7
      75.0       4.5
      76.0       5.2
      79.0       5.0
      93.0       4.7
     101.0       2.6
     102.0      12.1
     103.0       1.1
     129.0       3.3
     130.0       9.1
     158.0      50.2
     159.0       5.6
     186.0     100.0
     187.0      12.2
     188.0       1.3