Mass

MS2004-02524WA      
6-hydroxy-7-methoxycoumarin
C10H8O4             (Mass of molecular ion:    192)

   Source Temperature: 150 °C
   Sample Temperature: 150 °C
   Direct, 70 eV

      18.0       1.5
      28.0       3.6
      29.0       1.0
      38.0       1.9
      39.0       5.5
      41.0       1.2
      42.0       1.3
      50.0       6.4
      51.0      15.9
      52.0       2.8
      52.5       1.1
      53.0      10.1
      54.0       1.0
      55.0       1.8
      62.0       1.6
      63.0       3.1
      64.0       2.0
      65.0       8.9
      66.0       1.4
      69.0      27.4
      70.0       1.3
      74.0       1.4
      75.0       1.6
      76.0       2.2
      77.0       3.8
      78.0       1.4
      79.0      16.5
      80.0       2.0
      81.0       3.5
      82.0       1.6
      92.0       2.9
      93.0       2.4
      96.0       2.9
     105.0       2.9
     107.0       3.0
     108.0       1.4
     120.0       1.8
     121.0      20.5
     122.0       1.6
     135.0       2.1
     149.0      74.5
     150.0       6.6
     163.0       1.1
     164.0      49.4
     165.0       4.9
     177.0      12.0
     178.0       1.3
     191.0       1.6
     192.0     100.0
     193.0      12.7
     194.0       1.6