4-Hydroxy-3-(1-oxobutyl)-2H-1-benzopyran-2-one(4139-74-6) MS

Mass

MS2001-00573WA      
3-butyryl-4-hydroxycoumarin
C13H12O4            (Mass of molecular ion:    232)

   Source Temperature: 195 °C
   Sample Temperature:  20 °C
   Direct, 70 eV

      27.0       6.2
      28.0       1.0
      29.0       1.8
      38.0       1.2
      39.0       6.3
      41.0       6.5
      43.0      10.3
      50.0       2.0
      51.0       5.8
      53.0       1.8
      55.0       2.4
      62.0       1.6
      63.0       5.8
      64.0       4.5
      65.0       7.9
      69.0       2.9
      71.0       4.0
      75.0       1.4
      76.0       3.0
      77.0      10.6
      78.0       1.1
      79.0       1.0
      88.0       1.1
      89.0       5.0
      91.0       1.2
      92.0      12.6
      93.0       7.7
      94.0       1.2
     104.0       1.3
     105.0       6.9
     117.0       1.3
     120.0      13.6
     121.0      35.7
     122.0       2.8
     138.0       3.1
     161.0       2.8
     162.0      27.8
     163.0       5.8
     173.0       1.0
     189.0     100.0
     190.0      12.4
     191.0       1.9
     199.0      11.8
     200.0       1.6
     203.0       2.2
     204.0      12.9
     205.0       2.7
     213.0       2.0
     214.0       1.6
     215.0       6.5
     216.0       1.0
     217.0      50.6
     218.0       6.7
     220.0       2.0
     231.0       1.0
     232.0      89.7
     233.0      12.7
     234.0       1.6