乙酰乙酸叔丁酯

Mass

MS-NW-1091          
tert-butyl acetoacetate
C8H14O3             (Mass of molecular ion:    158)

   Source Temperature: 240 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      14.0       1.8
      15.0      11.4
      18.0       1.1
      26.0       2.8
      27.0      11.7
      28.0       5.1
      29.0      23.0
      31.0      14.0
      37.0       1.2
      38.0       1.9
      39.0      13.5
      40.0       2.6
      41.0      48.1
      42.0       8.8
      43.0      90.9
      44.0      10.1
      50.0       1.0
      53.0       1.2
      55.0       4.5
      56.0      16.3
      57.0     100.0
      58.0       8.7
      59.0      56.1
      60.0       2.0
      69.0       6.1
      84.0       6.3
      85.0      39.5
      86.0       1.8
     101.0       2.7
     102.0       3.4
     103.0      20.3

Assign. Shift(ppm) A 3.353 B 2.254 C 1.476

     Hz     ppm     Int.

    300.63   3.357    122
    300.19   3.352    127
    201.94   2.255    260
    132.19   1.476   1000