cirsimaritin(6601-62-3) ¹H NMR

Mass

MS-IW-6389          
5-hydroxy-2-(p-hydroxyphenyl)-6,7-dimethoxy-4H-chromen-4-one
C17H14O6            (Mass of molecular ion:    314)

   Source Temperature: 180 °C
   Sample Temperature: 220 °C
   Direct, 75 eV

      18.0       4.0
      28.0      11.7
      39.0       1.9
      51.0       1.7
      53.0       4.8
      57.0       1.8
      59.0       4.8
      63.0       2.3
      65.0       3.1
      66.0       1.2
      69.0      15.5
      73.0       1.7
      77.0       1.8
      79.0       1.2
      85.0       1.5
      89.0       2.7
      90.0       1.3
      91.0       2.8
      93.0       2.6
     107.0       1.7
     115.0       1.6
     118.0       5.8
     119.0      15.4
     120.0       2.1
     121.0       6.3
     123.0       1.1
     125.0       5.1
     128.0       5.4
     131.0       1.2
     135.0       1.1
     135.5       5.5
     136.0       1.6
     143.0       3.1
     145.0       1.9
     149.0       1.7
     149.5       3.5
     150.0       1.4
     153.0      37.1
     154.0       3.1
     155.0       1.1
     157.0       4.6
     167.0       2.6
     169.0       1.0
     179.0       1.4
     181.0      21.6
     182.0       2.1
     195.0       2.5
     200.0       2.5
     228.0       1.1
     238.0       1.4
     239.0       2.4
     240.0       1.2
     242.0       1.8
     253.0       1.6
     254.0       5.2
     255.0       3.4
     266.0       1.7
     267.0       6.4
     268.0      20.8
     269.0       4.8
     270.0       4.0
     271.0      33.3
     272.0       5.4
     283.0       7.5
     284.0       2.4
     285.0      22.1
     286.0       4.1
     295.0       5.5
     296.0       4.3
     297.0      11.5
     298.0       5.0
     299.0      94.5
     300.0      17.1
     301.0       2.7
     311.0       2.5
     313.0      21.4
     314.0     100.0
     315.0      19.7
     316.0       3.1