COUMARIN 7

Mass

MS2002-01278WA      
3-(2-benzimidazolyl)-7-(diethylamino)coumarin
C20H19N3O2          (Mass of molecular ion:    333)

   Source Temperature: 250 °C
   Sample Temperature:  30 °C
   Direct, 70 eV

      29.0       1.5
      77.0       1.6
     102.0       1.5
     102.5       1.4
     103.0       1.1
     131.0       2.6
     145.0       3.7
     159.0       9.7
     159.5       2.1
     166.5       4.6
     167.0       1.6
     205.0       5.8
     206.0       2.7
     232.0       1.7
     233.0       4.1
     234.0       1.9
     260.0       2.6
     261.0      12.0
     262.0       4.7
     288.0       1.0
     289.0      32.3
     290.0      13.3
     291.0       2.1
     303.0       2.7
     304.0       1.6
     318.0      91.6
     319.0      19.6
     320.0       2.4
     332.0       3.9
     333.0     100.0
     334.0      22.3
     335.0       2.9