Mass

MS-IW-5937          
2,4-dioxo-1,3-diazaspiro(4.5)decane-1,3-dipropionic acid
C14H20N2O6          (Mass of molecular ion:    312)

   Source Temperature: 200 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

      15.0       1.1
      17.0       2.0
      18.0      10.3
      25.0       1.9
      26.0      11.9
      27.0      18.3
      28.0      23.6
      29.0      10.3
      30.0       5.2
      39.0       7.8
      40.0       2.9
      41.0      25.8
      42.0      13.0
      43.0       8.3
      44.0       9.4
      45.0       8.7
      50.0       1.3
      51.0       2.3
      52.0       3.7
      53.0      10.0
      54.0      27.9
      55.0      46.0
      56.0      10.4
      60.0       1.4
      65.0       2.3
      66.0       2.8
      67.0      10.4
      68.0       9.7
      69.0       7.0
      70.0       9.3
      71.0       1.5
      72.0      10.6
      73.0      33.1
      74.0       1.9
      77.0       4.6
      78.0       2.8
      79.0      11.0
      80.0       7.6
      81.0      20.4
      82.0       9.6
      83.0       1.8
      84.0       1.2
      85.0       1.3
      88.0       2.1
      91.0       1.3
      92.0       2.7
      93.0       1.9
      94.0       3.5
      95.0       4.8
      96.0       9.8
      97.0       5.1
      98.0       3.6
      99.0       1.0
     100.0       4.4
     103.0       1.2
     104.0       1.0
     105.0       1.2
     106.0       2.8
     107.0       4.4
     108.0      10.5
     109.0       6.8
     110.0      21.7
     111.0       2.6
     112.0       2.5
     113.0       7.4
     114.0       1.1
     121.0       1.1
     122.0       3.5
     123.0       4.0
     124.0       7.5
     125.0       6.7
     126.0      12.3
     127.0       1.6
     136.0       2.4
     137.0       2.2
     138.0       5.9
     139.0       4.1
     140.0       3.0
     141.0       2.1
     150.0       2.1
     151.0       9.2
     152.0       4.0
     153.0       4.6
     154.0       5.5
     155.0       1.2
     157.0       1.0
     164.0       3.1
     165.0       4.9
     166.0       5.5
     167.0      18.8
     168.0      14.6
     169.0       5.0
     170.0       1.6
     172.0       1.8
     177.0       2.4
     178.0       1.7
     179.0      13.7
     180.0       6.1
     181.0       7.6
     182.0       1.3
     184.0       5.2
     185.0       5.9
     187.0       1.6
     191.0       1.5
     192.0       2.9
     193.0      12.3
     194.0       7.1
     195.0       3.1
     196.0       2.8
     197.0      18.7
     198.0       4.9
     199.0       1.0
     205.0       1.6
     206.0       4.6
     207.0       4.7
     208.0       1.5
     209.0       1.8
     210.0      17.5
     211.0      14.9
     212.0       5.2
     213.0       1.2
     220.0       5.0
     221.0       7.1
     222.0      12.6
     223.0      20.0
     224.0       5.6
     225.0       5.7
     226.0       6.1
     227.0       1.7
     233.0       1.1
     234.0       3.5
     235.0      14.6
     236.0       2.4
     237.0      29.6
     238.0       9.6
     239.0      42.4
     240.0      18.9
     241.0       3.0
     244.0       4.2
     248.0       2.8
     249.0       2.1
     250.0       2.4
     251.0      10.1
     252.0      11.1
     253.0      17.0
     254.0       2.5
     256.0       9.3
     257.0      24.2
     258.0       3.1
     265.0       3.7
     266.0      89.0
     267.0      14.7
     268.0       4.0
     269.0      10.2
     270.0       2.4
     271.0       2.0
     283.0       1.0
     294.0      55.2
     295.0      13.1
     296.0       1.9
     297.0       1.1
     312.0     100.0
     313.0      17.7
     314.0       2.8