2,4-二氟苯乙酸

Mass

MS-IW-0020          
2,4-difluorophenylacetic acid
C8H6F2O2            (Mass of molecular ion:    172)

   Source Temperature: 220 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      50.0       1.0
      51.0       1.6
      57.0       2.4
      63.0       1.3
      63.5       2.3
      75.0       2.4
      77.0       2.4
      81.0       1.7
     101.0       6.3
     107.0       4.2
     108.0       3.0
     109.0       1.0
     125.0       3.0
     126.0       2.3
     127.0     100.0
     128.0       9.3
     172.0      29.8
     173.0       2.6

Assign. Shift(ppm) A 12.5 B 7.398 C 7.196 D 7.038 E 3.624

     Hz     ppm     Int.

   2968.95   7.429    117
   2962.35   7.413    139
   2960.34   7.408    253
   2953.56   7.391    253
   2951.73   7.386    156
   2944.95   7.369    134
   2887.25   7.225    152
   2884.69   7.219    157
   2877.73   7.201    199
   2877.00   7.199    203
   2875.16   7.195    215
   2874.43   7.193    208
   2867.47   7.175    153
   2864.91   7.169    163
   2823.15   7.065    114
   2822.23   7.062    118
   2820.58   7.058    110
   2819.67   7.056    105
   2814.72   7.043    220
   2813.80   7.041    221
   2812.16   7.037    203
   2811.24   7.035    196
   2806.11   7.022    108
   2805.19   7.020    111
   2803.55   7.016    104
   2802.63   7.013     99
   1449.21   3.627   1000