Mass

MS-IW-3189          
3-hydroxy-7-methoxy-2-phenyl-4H-chromen-4-one
C16H12O4            (Mass of molecular ion:    268)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      18.0       1.1
      39.0       1.5
      50.0       1.4
      51.0       4.6
      53.0       1.1
      62.0       1.3
      63.0       6.9
      64.0       1.8
      75.0       1.5
      76.0       1.6
      77.0      15.8
      78.0       1.9
      79.0       1.6
      89.0       2.4
      90.0       1.1
      92.0       1.4
     105.0      18.3
     106.0       2.8
     107.0       2.8
     115.0       1.2
     119.0       2.1
     120.0       3.4
     122.0       1.0
     134.0       6.7
     134.5       1.0
     135.0       2.5
     139.0       1.1
     141.0       2.4
     151.0       3.5
     152.0       1.7
     168.0       1.6
     169.0       2.4
     181.0       2.6
     197.0       3.4
     211.0       3.1
     224.0       2.5
     225.0      13.9
     226.0       2.2
     239.0       3.3
     240.0       6.5
     241.0       1.1
     252.0       1.2
     253.0       2.2
     267.0      44.3
     268.0     100.0
     269.0      17.4
     270.0       2.2