Mass

MS2001-00793WA      
6-methoxy-4-methylcoumarin
C11H10O3            (Mass of molecular ion:    190)

   Source Temperature: 300 °C
   Sample Temperature: 260 °C
   Reservoir, 70 eV

      28.0       2.0
      39.0       5.4
      44.0       1.9
      50.0       2.0
      51.0       4.0
      53.0       1.6
      54.0       1.5
      62.0       2.0
      63.0       4.5
      64.0       1.7
      65.0      10.5
      74.0       1.2
      75.0       1.3
      76.0       1.5
      77.0       3.4
      89.0       2.9
      90.0       2.0
      91.0      16.7
      92.0       1.4
      93.0       1.8
     102.0       1.3
     103.0       2.3
     118.0       2.1
     119.0      12.1
     120.0       1.2
     131.0       2.4
     132.0       1.1
     133.0       1.7
     146.0       1.0
     147.0      53.5
     148.0       5.6
     161.0      25.1
     162.0      33.8
     163.0       3.8
     175.0       7.6
     190.0     100.0
     191.0      11.8
     192.0       1.3