Mass

MS-IW-4140          
2-chloro-4-methylpyridazino(6,1-b)quinazolin-10-one
C12H8ClN3O          (Mass of molecular ion:    245)

   Source Temperature: 190 °C
   Sample Temperature: 190 °C
   Direct, 75 eV

      28.0       1.1
      38.0       1.3
      39.0       4.0
      50.0       5.8
      51.0       6.6
      52.0       1.6
      62.0       1.4
      63.0       4.3
      64.0       3.1
      74.0       1.3
      75.0       3.0
      76.0       8.5
      77.0       3.7
      78.0       1.3
      87.0       6.3
      88.0       1.0
      89.0       2.7
      90.0       4.5
      91.0       1.1
     101.0       1.2
     102.0       3.8
     103.0       1.5
     104.0       1.7
     108.5       1.1
     119.0       1.1
     122.5       2.4
     126.0       1.5
     127.0       5.3
     128.0       3.8
     129.0       1.8
     130.0       1.7
     152.0       1.5
     153.0       2.9
     154.0      12.9
     155.0       3.6
     181.0       3.3
     182.0      13.6
     183.0       2.3
     188.0       1.7
     190.0       1.7
     211.0       1.8
     216.0      14.8
     217.0      12.3
     218.0       6.2
     219.0       4.1
     244.0      10.8
     245.0     100.0
     246.0      17.8
     247.0      33.5
     248.0       4.7