Mass

MS-IW-3378          
7-acetoxy-2-(p-methoxyphenyl)-4-chromenone
C18H14O5            (Mass of molecular ion:    310)

   Source Temperature: 150 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      15.0       1.2
      28.0       1.4
      39.0       1.2
      42.0       1.1
      43.0      15.8
      51.0       2.2
      62.0       1.1
      63.0       4.2
      69.0       1.6
      75.0       1.1
      77.0       2.1
      80.0       1.0
      89.0       7.2
      92.0       1.4
     102.0       1.1
     107.0       1.0
     108.0       3.6
     117.0       8.0
     121.0       1.0
     132.0      31.0
     133.0       3.5
     135.0       2.1
     136.0       2.5
     139.0       2.1
     140.0       1.5
     152.0       1.3
     168.0       1.9
     196.0       1.9
     197.0       1.7
     224.0       1.0
     225.0       5.4
     237.0       3.5
     239.0       6.4
     240.0      13.8
     241.0       2.3
     253.0       3.4
     267.0      17.2
     268.0     100.0
     269.0      17.8
     270.0       2.4
     310.0      44.1
     311.0       9.0
     312.0       1.4