Mass

MS-IW-6741          
5,6,7-trimethoxy-2-(p-methoxyphenyl)-4-chromenone
C19H18O6            (Mass of molecular ion:    342)

   Source Temperature: 170 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

      15.0       1.1
      18.0       2.5
      28.0       3.0
      53.0       2.0
      59.0       1.1
      63.0       1.6
      66.0       1.6
      69.0       5.7
      77.0       1.8
      83.0       2.2
      89.0       2.9
      92.0       1.0
      93.0       2.0
     117.0       2.1
     124.0       1.2
     127.0       1.0
     128.0       2.7
     132.0       5.2
     133.0       2.2
     135.0       2.7
     137.0       1.1
     139.0       2.2
     142.0       3.0
     152.0       3.3
     153.0       1.3
     156.0       1.2
     157.0       3.2
     159.0       1.3
     163.5       3.7
     164.0       2.3
     165.0       1.9
     167.0      10.7
     168.0       1.2
     180.0       1.9
     181.0       1.0
     195.0       3.8
     241.0       1.0
     252.0       1.8
     253.0       1.8
     256.0       1.3
     266.0       2.0
     267.0       1.0
     268.0       1.8
     269.0       1.5
     281.0       3.0
     282.0       2.0
     283.0       2.8
     284.0      11.9
     285.0       2.8
     295.0       1.4
     296.0       5.5
     297.0       3.8
     298.0       1.6
     299.0       4.9
     309.0       2.1
     311.0       5.5
     312.0       3.8
     313.0       4.9
     314.0       1.0
     325.0       3.2
     327.0     100.0
     328.0      22.0
     329.0       3.5
     341.0       2.6
     342.0      24.4
     343.0       5.9