7-Hydroxyisoflavone(13057-72-2) ¹H NMR

Mass

MS-IW-3248          
7-hydroxy-3-phenyl-4H-chromen-4-one
C15H10O3            (Mass of molecular ion:    238)

   Source Temperature: 150 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      18.0       1.4
      39.0       2.9
      50.0       1.8
      51.0       3.4
      52.0       4.6
      53.0       1.2
      62.0       1.8
      63.0       5.1
      64.0       1.2
      69.0       1.7
      74.0       1.3
      75.0       1.9
      76.0       5.4
      77.0       1.7
      80.0       5.6
      89.0       1.7
      90.0       1.3
      90.5       1.6
      91.0       1.4
      92.0       1.2
      95.0       4.0
     102.0       8.8
     103.0       1.0
     104.0       1.2
     105.0       2.4
     108.0      16.9
     109.0       1.1
     118.0       1.4
     118.5       3.7
     119.0       9.6
     119.5       1.5
     136.0      40.5
     137.0       3.5
     151.0       1.2
     152.0       4.5
     153.0       1.7
     181.0       3.2
     209.0       2.4
     210.0       1.9
     237.0     100.0
     238.0      88.3
     239.0      13.9
     240.0       1.6