3-氧代庚酸乙酯

Mass

MS-IW-2204          
ethyl 3-oxoheptanoate
C9H16O3             (Mass of molecular ion:    172)

   Source Temperature: 220 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      15.0       2.0
      26.0       1.7
      27.0      17.6
      28.0       6.2
      29.0      66.8
      30.0       1.8
      31.0       8.4
      39.0       6.9
      40.0       1.8
      41.0      30.7
      42.0      12.3
      43.0      42.4
      44.0       2.7
      45.0       7.4
      46.0       1.6
      53.0       1.7
      55.0      12.3
      56.0      13.1
      57.0      86.8
      58.0      11.7
      59.0       1.0
      60.0       8.7
      61.0       3.8
      69.0      11.8
      70.0       3.9
      71.0       1.9
      73.0       2.7
      83.0       3.2
      84.0      38.6
      85.0     100.0
      86.0       6.7
      87.0      15.4
      88.0      38.6
      89.0       2.0
      97.0       6.3
      98.0       1.6
     102.0      10.4
     103.0       1.0
     115.0      20.5
     116.0       1.2
     127.0       7.3
     130.0      55.4
     131.0       4.1
     143.0       8.9
     157.0       2.5
     172.0       7.3
     173.0       1.2

Assign. Shift(ppm) A 4.189 B 3.445 C 2.552 D 1.577 E 1.34 F 1.278 G 0.909

     Hz     ppm     Int.

   1685.18   4.217    175
   1677.98   4.199    498
   1670.78   4.181    520
   1663.70   4.163    195
   1376.83   3.446    879
   1027.59   2.572    229
   1020.26   2.553    376
   1012.94   2.535    258
    646.24   1.618     60
    638.92   1.599    175
    636.60   1.593     55
    631.35   1.580    207
    629.15   1.575     92
    623.90   1.562    154
    621.83   1.556     62
    616.33   1.543     87
    550.17   1.377     45
    544.43   1.363     36
    542.72   1.358    121
    541.26   1.355     46
    536.87   1.344     85
    535.03   1.339    161
    529.54   1.326     86
    527.59   1.321    174
    522.34   1.307     44
    517.94   1.296    586
    515.38   1.290     30
    514.65   1.288     30
    510.74   1.278   1000
    508.30   1.272     45
    503.66   1.261    605
    370.48   0.928    418
    363.16   0.909    798
    355.83   0.891    380