Mass

MS-KW-0978          
2'-hydroxy-2,3,4-trimethoxychalcone
C18H18O5            (Mass of molecular ion:    314)

   Source Temperature: 190 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       1.0
      18.0       4.8
      28.0       1.6
      39.0       3.3
      51.0       1.9
      53.0       1.5
      63.0       2.5
      64.0       2.4
      65.0       8.1
      76.0       1.8
      77.0       3.7
      78.0       1.2
      79.0       1.8
      89.0       1.2
      91.0       2.9
      92.0       3.3
      93.0       6.7
     105.0       1.9
     107.0       2.5
     115.0       1.0
     118.0       1.7
     119.0       2.5
     120.0       2.3
     121.0      20.1
     122.0       1.8
     127.0       1.6
     127.5       1.0
     128.0       2.9
     131.0       2.0
     133.0       1.8
     134.0       1.6
     135.0       1.4
     136.0       1.7
     139.0       1.0
     141.0       1.0
     141.5       2.3
     142.0       1.0
     147.0       4.7
     148.0       2.2
     149.0       1.4
     149.5       2.8
     150.0       1.0
     151.0       3.4
     152.0       1.0
     153.0       2.9
     157.0       2.7
     163.0       2.8
     164.0       1.0
     165.0       1.3
     166.0       1.9
     168.0       6.6
     169.0       1.3
     178.0       1.0
     179.0      10.7
     180.0       1.5
     181.0       7.8
     182.0       1.1
     191.0       1.7
     193.0       1.0
     194.0       5.6
     195.0       1.2
     206.0       1.1
     221.0       1.5
     222.0       1.5
     238.0       1.1
     239.0       3.5
     250.0       2.4
     251.0       1.3
     267.0       3.1
     268.0       4.3
     269.0       1.2
     281.0       1.3
     283.0     100.0
     284.0      19.2
     285.0       2.6
     299.0       3.2
     313.0       1.8
     314.0      17.8
     315.0       3.5
     316.0       1.1