Mass

MS-IW-5671          
9,10-dimethoxy-3,4,4a,5,6,7-hexahydrodibenzo(a,c)cyclohepten-2-one
C17H20O3            (Mass of molecular ion:    272)

   Source Temperature: 170 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      39.0       1.0
      51.0       1.0
      55.0       1.9
      63.0       1.0
      64.0       1.0
      77.0       1.7
      91.0       1.6
     101.0       1.5
     102.0       1.0
     107.0       1.5
     108.0       2.6
     115.0       4.4
     116.0       1.0
     117.0       1.0
     127.0       1.9
     128.0       3.5
     129.0       2.6
     130.0       1.1
     131.0       1.3
     141.0       2.9
     142.0       1.1
     143.0       1.0
     144.0       1.0
     145.0       2.1
     151.0       1.9
     152.0       1.1
     153.0       1.4
     155.0       1.4
     157.0       1.5
     158.0       1.7
     159.0       1.9
     169.0       1.4
     170.0       1.0
     171.0       1.9
     173.0       2.1
     175.0       1.6
     183.0       1.0
     185.0       3.9
     186.0       1.0
     187.0       1.4
     188.0       7.5
     189.0       2.5
     199.0       1.4
     201.0       9.6
     202.0       2.6
     203.0       2.1
     213.0       3.3
     214.0       1.2
     215.0       4.1
     216.0      10.2
     217.0       2.3
     229.0       5.3
     230.0       2.7
     241.0       1.7
     243.0       2.6
     244.0      11.6
     245.0       2.0
     257.0       3.4
     272.0     100.0
     273.0      19.0
     274.0       2.4