dimethyl 2-methyl-1,3-azulenedicarboxylate(52537-18-5) IR1

Mass

MS2004-02230WA      
dimethyl 2-methyl-1,3-azulenedicarboxylate
C15H14O4            (Mass of molecular ion:    258)

   Source Temperature: 250 °C
   Sample Temperature:  20 °C
   Direct, 70 eV

      63.0       2.2
      69.0       1.5
      69.5       3.5
      70.0       2.2
      71.0       1.0
      75.0       1.2
      77.0       1.1
      84.0       1.2
      87.0       1.3
      89.0       1.7
      97.5       1.6
      98.0      12.1
      98.5       1.8
     102.0       1.0
     113.0       3.4
     114.0       1.8
     115.0       5.9
     126.0       1.5
     127.0       3.5
     128.0       4.9
     129.0       1.2
     138.0       1.3
     139.0      22.4
     140.0       8.2
     141.0       2.9
     142.0       1.1
     155.0       2.7
     156.0       2.3
     167.0       1.4
     168.0       7.5
     169.0       8.8
     170.0       1.3
     183.0       3.3
     184.0       2.0
     194.0       1.9
     195.0      15.3
     196.0       2.3
     198.0       1.0
     199.0       3.5
     200.0       9.0
     201.0       1.3
     211.0       4.0
     212.0       1.0
     215.0       1.1
     225.0       1.5
     226.0       6.2
     227.0     100.0
     228.0      15.1
     229.0       1.7
     258.0      87.4
     259.0      14.2
     260.0       1.8