2'-Hydroxy-3,4,4'-trimethoxychalcone(10493-06-8) IR2

Mass

MS-IW-2505          
3-(3,4-dimethoxyphenyl)-1-(2-hydroxy-4-methoxyphenyl)-2-propen-1-one
C18H18O5            (Mass of molecular ion:    314)

   Source Temperature: 170 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      18.0       1.9
      39.0       1.2
      51.0       2.8
      52.0       1.6
      53.0       1.2
      55.0       1.3
      63.0       2.0
      65.0       2.1
      69.0       1.8
      76.0       1.6
      77.0       4.4
      78.0       1.2
      79.0       2.1
      80.0       1.3
      89.0       2.2
      90.0       1.0
      91.0       3.3
      92.0       1.1
      93.0       1.3
      95.0       3.7
     102.0       1.2
     103.0       2.5
     105.0       1.6
     106.0       1.8
     107.0       1.6
     108.0       3.9
     114.0       1.0
     115.0       1.2
     118.0       1.9
     119.0       2.2
     120.0       2.3
     121.0       3.2
     122.0       1.6
     123.0       1.7
     127.0       1.3
     127.5       1.4
     128.0       2.1
     132.0       1.3
     133.0       1.8
     134.0       1.1
     135.0       3.5
     135.5       1.3
     136.0       1.1
     138.0       7.6
     139.0       1.7
     141.5       1.1
     143.0      10.7
     143.5       2.0
     147.0       1.7
     148.0       3.6
     149.0      13.0
     150.0       2.9
     151.0     100.0
     152.0      10.5
     153.0       1.5
     157.0       1.7
     162.0       1.4
     163.0       3.3
     164.0      57.7
     165.0       7.5
     166.0       1.0
     176.0       2.5
     177.0      18.3
     178.0       2.2
     185.0       1.0
     191.0       4.6
     197.0       1.1
     211.0       1.7
     227.0       1.0
     239.0       1.1
     240.0       1.0
     241.0       1.6
     253.0       1.4
     254.0       1.1
     255.0       1.3
     257.0       1.0
     268.0       1.0
     269.0       1.3
     271.0       5.4
     272.0       1.0
     281.0       1.6
     283.0       8.1
     284.0       1.9
     285.0       1.0
     286.0       2.2
     297.0       8.4
     298.0       4.2
     299.0      10.7
     300.0       2.2
     312.0       1.8
     313.0      27.8
     314.0      86.1
     315.0      16.8
     316.0       3.3