Mass

MS-IW-2809          
ethyl 2-methyl-3-oxocyclopentanecarboxylate
C9H14O3             (Mass of molecular ion:    170)

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

      15.0       1.0
      26.0       1.8
      27.0      14.4
      28.0       6.7
      29.0      28.9
      31.0       1.3
      39.0      13.6
      40.0       3.4
      41.0      32.7
      42.0       7.0
      43.0       9.1
      45.0       5.6
      51.0       1.1
      53.0       5.4
      54.0       4.7
      55.0      39.8
      56.0       6.5
      57.0       2.4
      60.0       5.5
      61.0       1.9
      67.0       6.2
      68.0      45.8
      69.0     100.0
      70.0      12.7
      71.0      12.4
      72.0       1.2
      73.0       7.1
      81.0       2.8
      82.0       1.5
      83.0       2.9
      85.0       3.4
      86.0      18.9
      87.0      15.7
      88.0      24.0
      89.0       1.2
      95.0       2.6
      96.0      17.4
      97.0      68.2
      98.0       5.6
      99.0      17.9
     100.0       2.2
     101.0       3.7
     102.0       1.1
     113.0      14.3
     114.0      25.1
     115.0       8.2
     116.0       1.0
     124.0       2.2
     125.0      29.1
     126.0       2.3
     127.0       3.1
     128.0       1.1
     141.0       4.1
     142.0      49.9
     143.0       7.2
     170.0      26.2
     171.0       2.9