5,7-dimethoxynaphthalene-1,4-dione

Mass

MS2001-00654WA      
5,7-dimethoxy-1,4-naphthoquinone
C12H10O4            (Mass of molecular ion:    218)

   Source Temperature: 190 °C
   Sample Temperature:  25 °C
   Direct, 70 eV

      15.0       7.7
      26.0       2.0
      29.0       2.2
      31.0       1.1
      39.0       2.6
      50.0       6.1
      51.0       2.6
      53.0       4.6
      54.0       4.0
      61.0       3.3
      62.0      12.9
      63.0      14.8
      64.0       1.4
      65.0       3.7
      66.0       1.0
      69.0       6.3
      74.0       4.7
      75.0       6.5
      76.0       6.5
      77.0       3.5
      78.0       3.9
      81.0       2.7
      82.0       2.1
      86.0       1.5
      87.0       2.8
      88.0       4.5
      89.0       7.6
      90.0       3.1
      91.0       4.4
      92.0       1.1
      93.0       4.4
     101.0       2.3
     102.0       4.6
     103.0       3.8
     104.0       3.6
     105.0       1.9
     106.0      22.6
     107.0       2.2
     115.0       1.6
     116.0       5.1
     117.0       7.5
     118.0       2.3
     119.0       8.4
     120.0       1.0
     129.0       1.9
     130.0       3.3
     131.0       9.2
     132.0      10.7
     133.0       3.2
     134.0      21.6
     135.0       6.7
     136.0       1.1
     144.0       6.0
     145.0       8.5
     146.0       2.3
     147.0      15.9
     148.0       1.7
     149.0       2.8
     157.0       7.1
     158.0       4.1
     159.0       5.0
     160.0      22.3
     161.0      13.1
     162.0       3.5
     163.0       6.6
     164.0       2.4
     172.0       4.7
     173.0       2.6
     174.0       1.8
     175.0       4.4
     177.0       1.1
     187.0       4.6
     188.0       5.1
     189.0      35.8
     190.0      16.7
     191.0       2.1
     200.0       3.9
     201.0      13.5
     202.0       2.1
     203.0       1.0
     217.0       4.7
     218.0     100.0
     219.0      13.0
     220.0       3.3