4H-1-Benzopyran-4-one, 5-hydroxy-7-methoxy-2-methyl-3-phenyl-

Mass

MS-IW-6713          
5-hydroxy-7-methoxy-2-methyl-3-phenyl-4-chromenone
C17H14O4            (Mass of molecular ion:    282)

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

      43.0       1.4
      69.0       1.6
      95.0       2.8
     110.0       1.9
     115.0       5.3
     116.0       1.3
     123.0       1.3
     133.5       2.1
     138.0       4.4
     139.0       1.0
     140.0       1.7
     140.5       1.8
     141.0       8.3
     141.5       1.5
     166.0       6.4
     167.0       3.3
     238.0       1.5
     239.0       1.1
     253.0       3.3
     266.0       1.4
     267.0       1.3
     281.0     100.0
     282.0      90.1
     283.0      16.4
     284.0       2.1