Ethyl 2-acetoxy-2-methylacetoacetate(25409-39-6) MS

Mass

MS-IW-2377          
(+-)-ethyl 2-acetoxy-2-methyl-3-oxobutyrate
C9H14O5             (Mass of molecular ion:    202)

   Source Temperature: 200 °C
   Sample Temperature: 160 °C
   Reservoir, 75 eV

      15.0       4.5
      27.0       4.3
      28.0       2.1
      29.0       6.9
      42.0       2.4
      43.0     100.0
      44.0       5.3
      45.0       3.9
      55.0       1.5
      59.0       1.1
      60.0       1.9
      61.0       3.2
      72.0       1.9
      73.0       1.1
      86.0       1.2
      87.0       4.3
      88.0       3.9
      89.0       9.0
      90.0      28.9
      91.0       1.1
     114.0       2.0
     117.0       4.9
     118.0      87.3
     119.0       5.0
     129.0       6.0
     157.0       4.3
     159.0       1.9
     160.0      24.8
     161.0       2.1