Ethyl N-piperazinecarboxylate

Mass

MS-NW-5492          
ethyl 1-piperazinecarboxylate
C7H14N2O2           (Mass of molecular ion:    158)

   Source Temperature: 260 °C
   Sample Temperature: 180 °C
   Reservoir, 75 eV

      15.0       4.1
      18.0       1.1
      26.0       1.9
      27.0      10.9
      28.0      17.8
      29.0      35.1
      30.0      13.2
      41.0       3.6
      42.0      19.0
      43.0      10.2
      44.0     100.0
      45.0       3.1
      54.0       2.6
      55.0      14.8
      56.0      66.2
      57.0      22.6
      58.0       5.0
      68.0       1.8
      69.0      22.4
      70.0       6.2
      71.0       1.6
      72.0      15.3
      74.0       2.1
      75.0       1.2
      76.0       1.1
      83.0       3.8
      84.0       1.9
      85.0      12.0
      86.0       1.4
      88.0       2.7
      90.0       1.8
     100.0       2.0
     102.0       1.2
     113.0      11.2
     114.0       1.1
     115.0       5.4
     116.0      40.7
     117.0       2.6
     128.0       1.1
     129.0       2.3
     158.0      19.9
     159.0       1.9

Assign. Shift(ppm) A 4.133 B 3.44 C 2.82 D 1.74 E 1.260

     Hz     ppm     Int.

    381.13   4.256    143
    374.00   4.176    456
    366.88   4.097    481
    359.81   4.018    163
    313.00   3.495    356
    308.19   3.442    438
    306.31   3.421    226
    302.88   3.382    512
    257.13   2.872    497
    253.75   2.834    219
    251.81   2.812    456
    247.00   2.758    346
    155.38   1.735    624
    119.81   1.338    507
    112.69   1.259   1000
    105.63   1.180    448