3,4'(4H)-BIQUINAZOLIN-4-ONE

Mass

MS-IW-7491          
3,4'(4H)-biquinazolin-4-one
C16H10N4O           (Mass of molecular ion:    274)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      28.0       1.3
      39.0       1.1
      50.0       3.1
      51.0       2.5
      63.0       1.5
      64.0       2.0
      75.0       4.6
      76.0       6.1
      77.0       2.9
      90.0       3.3
      91.0       3.7
      92.0       2.6
      96.0       1.4
     101.0       1.6
     102.0      18.6
     103.0       3.4
     109.5       2.0
     117.0       1.7
     118.0      17.1
     119.0       3.8
     123.5       3.7
     128.0       4.2
     129.0      16.3
     130.0       2.4
     137.0       6.9
     137.5       1.2
     145.0       5.5
     146.0       8.3
     218.0       1.2
     219.0       4.4
     220.0       1.3
     245.0      33.7
     246.0       8.7
     247.0       3.6
     273.0     100.0
     274.0      97.8
     275.0      17.1
     276.0       1.6