4-METHOXYCOUMARIN

Mass

MS-IW-9419          
4-methoxycoumarin
C10H8O3             (Mass of molecular ion:    176)

   Source Temperature: 140 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      15.0       1.6
      18.0       1.7
      27.0       1.4
      28.0       3.6
      37.0       1.2
      38.0       3.5
      38.5       1.0
      39.0       6.3
      41.0       1.3
      43.0       1.7
      44.0       1.0
      44.5       3.7
      45.0       5.1
      50.0       5.6
      51.0      11.8
      52.0       1.0
      52.5       1.5
      53.0       2.3
      59.0       4.2
      61.0       1.8
      62.0       5.0
      63.0      10.0
      64.0       4.1
      65.0       1.8
      69.0       8.0
      74.0       3.6
      75.0       2.6
      76.0       3.9
      77.0      15.4
      78.0       2.3
      86.0       1.0
      87.0       1.2
      88.0       4.0
      89.0       8.6
      90.0      14.0
      91.0       3.6
      92.0       3.9
     101.0       2.4
     103.0       1.7
     104.0       1.8
     105.0       9.7
     106.0       1.2
     107.0       1.5
     116.0       3.4
     118.0      29.1
     119.0       6.2
     120.0       3.4
     121.0       1.1
     131.0       1.9
     133.0      28.1
     134.0       6.3
     135.0       1.3
     144.0       1.2
     147.0       3.4
     148.0      53.3
     149.0       5.3
     159.0       1.2
     175.0      10.3
     176.0     100.0
     177.0      11.5
     178.0       1.2