2-Hydroxy-6-methoxy-quinoline-4-carboxylic acid(32431-29-1) MS

Mass

MS-IW-5888          
6-methoxy-2-oxo-1,2-dihydro-4-quinolinecarboxylic acid
C11H9NO4            (Mass of molecular ion:    219)

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

      28.0       2.2
      39.0       1.1
      44.0       2.1
      50.0       2.3
      51.0       3.3
      52.0       2.4
      53.0       2.1
      62.0       1.5
      63.0       1.5
      65.0       2.0
      75.0       1.6
      76.0       3.2
      77.0       4.7
      78.0       1.5
      80.0       3.3
      87.0       1.4
      88.0       1.1
      89.0       1.2
     102.0       3.9
     103.0       2.2
     104.0      15.7
     105.0       1.7
     109.5       1.9
     119.0       1.5
     120.0       2.0
     130.0       2.2
     131.0       1.6
     132.0       7.2
     146.0       2.2
     147.0       1.8
     148.0       3.3
     158.0       1.5
     160.0       2.0
     175.0       2.4
     176.0      26.1
     177.0       2.8
     190.0       1.0
     204.0      38.3
     205.0       4.5
     218.0       1.5
     219.0     100.0
     220.0      12.9
     221.0       1.6