Hesperetin

Mass

MS-IW-1785          
(S)-5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4-chromanone
C16H14O6            (Mass of molecular ion:    302)

   Source Temperature: 190 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      39.0       2.8
      41.0       1.2
      43.0       1.2
      50.0       1.3
      51.0       2.5
      52.0       1.4
      53.0       2.0
      55.0       2.4
      63.0       1.2
      65.0       1.4
      67.0       1.1
      69.0       6.0
      77.0       4.8
      78.0       2.7
      79.0       2.1
      89.0       1.7
      91.0       1.4
      96.0       2.3
     107.0       6.5
     108.0       1.0
     111.0       1.9
     121.0       1.0
     123.0       2.5
     124.0       9.8
     130.0       4.2
     134.0       1.2
     135.0      25.6
     136.0       3.4
     137.0      70.6
     138.0       6.3
     149.0       2.0
     150.0      45.3
     151.0       6.7
     152.0       4.4
     153.0      31.0
     154.0       2.5
     177.0       1.3
     178.0       2.5
     179.0      15.1
     180.0       1.5
     216.0       1.5
     217.0       1.6
     231.0       1.5
     259.0       5.1
     271.0       1.2
     274.0       1.7
     284.0       3.4
     285.0       5.8
     286.0       2.6
     287.0       2.1
     300.0       1.2
     301.0      24.0
     302.0     100.0
     303.0      17.6
     304.0       2.7

Assign. Shift(ppm) A *1 12.1 B *1 10.8 C *1 9.1 D 6.939 E 6.934 F 6.881 G *2 5.909 J *2 5.898 K 5.434 L 3.780 M *3 3.201 N *3 2.716

     Hz     ppm     Int.

   4856.11  12.151    598
   4322.54  10.816     90
   3645.38   9.122    156
   2776.44   6.948    132
   2774.61   6.943    177
   2772.59   6.938    197
   2768.20   6.927    221
   2753.91   6.891    121
   2751.89   6.886    103
   2745.48   6.870     62
   2743.65   6.866     55
   2363.03   5.913    179
   2361.02   5.908    387
   2357.90   5.900    394
   2355.70   5.895    175
   2179.68   5.454     60
   2176.57   5.447     68
   2167.23   5.423     70
   2164.30   5.416     64
   1510.76   3.781   1000
   1294.99   3.241     65
   1282.53   3.210     64
   1277.77   3.198     73
   1265.31   3.167     73
   1095.15   2.741     75
   1092.04   2.733     82
   1078.12   2.698     70
   1074.82   2.690     65