4',5-DIHYDROXY-7-METHOXYFLAVONE

Mass

MS-IW-4250          
5-hydroxy-2-(p-hydroxyphenyl)-7-methoxy-4-chromenone
C16H12O5            (Mass of molecular ion:    284)

   Source Temperature: 200 °C
   Sample Temperature: 220 °C
   Direct, 75 eV

      18.0       3.9
      28.0       4.7
      39.0       2.3
      51.0       2.0
      53.0       1.7
      55.0       1.0
      62.0       1.0
      63.0       2.3
      64.0       1.0
      65.0       2.0
      67.0       1.0
      69.0       5.5
      77.0       1.1
      79.0       1.2
      89.0       2.3
      91.0       1.0
      93.0       1.4
      95.0       7.2
     108.0       3.0
     110.0       4.2
     118.0       6.0
     119.0       4.0
     121.0       4.2
     123.0       3.5
     128.0       8.6
     128.5       1.3
     136.0       2.2
     137.0       3.9
     138.0       9.2
     139.0       1.3
     145.0       1.4
     157.0       1.5
     166.0       9.0
     167.0       8.4
     168.0       1.2
     212.0       2.1
     226.0       2.3
     227.0       2.0
     241.0      10.0
     242.0       1.8
     254.0       6.4
     255.0      27.5
     256.0       6.4
     270.0       1.9
     283.0      14.2
     284.0     100.0
     285.0      17.5
     286.0       2.5