Z-Ala-Ala-OMe(2483-51-4) MS

Mass

MS-IW-1550          
N-benzyloxycarbonyl-L-alanyl-L-alanine methyl ester
C15H20N2O5          (Mass of molecular ion:    308)

   Source Temperature: 180 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      15.0      10.3
      18.0       2.8
      26.0       1.0
      27.0       6.0
      28.0      11.1
      29.0       2.3
      30.0       1.5
      31.0       2.1
      38.0       1.3
      39.0       5.0
      40.0       1.7
      41.0       3.2
      42.0      13.6
      43.0       6.4
      44.0      50.1
      45.0       1.7
      50.0       3.9
      51.0       8.5
      52.0       2.4
      53.0       2.5
      54.0       1.1
      55.0       3.9
      56.0       2.4
      58.0       5.0
      59.0       7.4
      62.0       1.0
      63.0       2.3
      65.0       5.0
      70.0      36.9
      71.0       1.9
      74.0       1.3
      77.0      21.4
      78.0       4.9
      79.0      44.6
      80.0       4.4
      88.0       9.7
      89.0       4.3
      90.0       4.9
      91.0      56.2
      92.0       5.5
      99.0       1.6
     102.0      37.0
     103.0       1.9
     105.0       2.6
     107.0      39.0
     108.0      51.3
     109.0       4.1
     113.0      25.7
     114.0       2.4
     130.0      15.4
     131.0       1.0
     134.0      12.9
     135.0       1.4
     140.0       1.3
     141.0     100.0
     142.0       8.4
     143.0       1.0
     168.0       3.8
     169.0       3.9
     178.0       7.5
     179.0       4.0
     200.0      14.5
     201.0       4.5
     206.0       1.9
     249.0       1.0
     308.0       6.8
     309.0       1.6