4-Hydroxy-3-pentanoyl-2H-chromen-2-one

Mass

MS2003-01498WA      
4-hydroxy-3-valerylcoumarin
C14H14O4            (Mass of molecular ion:    246)

   Source Temperature: 250 °C
   Sample Temperature:  35 °C
   Direct, 70 eV

      27.0       2.8
      29.0       5.4
      39.0       3.7
      41.0       5.2
      43.0       2.3
      50.0       1.1
      51.0       3.9
      53.0       1.1
      55.0       3.4
      57.0       8.5
      63.0       3.5
      64.0       3.0
      65.0       6.4
      69.0       1.9
      76.0       1.7
      77.0       9.2
      79.0       1.2
      85.0       2.0
      89.0       3.4
      92.0       8.0
      93.0       6.6
     105.0       3.9
     117.0       1.1
     120.0      14.1
     121.0      38.8
     122.0       3.0
     147.0       1.0
     152.0       1.2
     161.0       1.9
     162.0      21.2
     163.0       5.0
     189.0      83.4
     190.0       9.5
     191.0       1.5
     199.0       3.6
     200.0       1.0
     204.0      67.8
     205.0       8.1
     206.0       1.0
     213.0       1.4
     217.0     100.0
     218.0      14.3
     219.0       1.8
     228.0       1.4
     229.0       2.2
     231.0       1.3
     246.0      28.1
     247.0       6.7