3',4',7-三甲氧基黄酮(22395-24-0)质谱(MS)

Mass

MS-IW-3254          
3-(3,4-dimethoxyphenyl)-7-methoxy-4H-chromen-4-one
C18H16O5            (Mass of molecular ion:    312)

   Source Temperature: 130 °C
   Sample Temperature: 100 °C
   Direct, 75 eV

      50.0       1.0
      51.0       1.4
      63.0       3.0
      65.0       2.8
      75.0       1.4
      76.0       2.7
      77.0       1.2
      79.0       1.5
      89.0       1.5
      91.0       5.3
      92.0       1.1
     101.0       1.3
     107.0       1.9
     113.0       2.7
     119.0      10.6
     120.0       1.0
     122.0       1.3
     126.0       1.0
     127.0       6.1
     133.0       1.3
     139.0       1.1
     140.5       8.1
     141.0       2.7
     147.0       4.7
     148.5       2.1
     150.0       1.2
     151.0       1.9
     156.0       7.7
     156.5       1.5
     162.0       4.4
     183.0       1.3
     198.0       1.0
     210.0       1.0
     225.0       1.1
     226.0       5.3
     227.0       1.0
     238.0       2.9
     239.0       1.5
     241.0       1.9
     251.0       1.2
     252.0       1.0
     253.0       1.1
     254.0       2.1
     266.0       4.8
     267.0       2.8
     269.0      11.8
     270.0       2.0
     281.0       2.1
     283.0       1.7
     297.0      24.2
     298.0       4.9
     311.0       6.3
     312.0     100.0
     313.0      19.8
     314.0       2.8
     326.0       1.3