Mass

MS2008-03869CW      
17-acetoxy-6alpha-methyl-4-pregnene-3,20-dione
C24H34O4            (Mass of molecular ion:    386)

   Source Temperature: 250 °C
   Sample Temperature:  25 °C
   Direct, 70 eV

      41.0       2.4
      43.0      26.2
      53.0       1.5
      55.0       3.0
      67.0       3.1
      69.0       1.1
      77.0       2.7
      79.0       4.2
      81.0       3.4
      83.0       1.1
      91.0       5.9
      93.0       5.8
      95.0       3.2
      97.0       4.8
     105.0       5.2
     107.0       4.4
     109.0       4.2
     110.0       1.0
     117.0       1.6
     119.0       4.0
     120.0       1.1
     121.0       4.3
     122.0       1.0
     123.0       5.3
     129.0       1.2
     131.0       2.4
     133.0       3.4
     135.0       3.5
     136.0       2.4
     137.0      11.7
     138.0       4.7
     143.0       1.5
     145.0       9.3
     146.0       1.7
     147.0       5.2
     148.0       1.2
     149.0       2.0
     150.0       1.1
     157.0       1.3
     159.0       2.6
     161.0       2.9
     162.0       1.2
     163.0       2.2
     171.0       1.5
     173.0       3.7
     175.0       2.4
     177.0       1.0
     183.0       1.1
     185.0       3.2
     187.0       2.7
     188.0       1.2
     189.0       3.0
     199.0       1.7
     201.0       1.4
     213.0       1.1
     215.0       1.3
     225.0       2.5
     227.0       1.3
     231.0       1.6
     241.0       2.2
     243.0      13.4
     244.0       2.7
     256.0       1.6
     257.0       2.9
     258.0       9.2
     259.0       2.3
     265.0       1.8
     281.0       1.3
     283.0     100.0
     284.0      21.7
     285.0       5.5
     286.0       1.3
     301.0      43.4
     302.0       9.5
     303.0       2.0
     326.0       8.4
     327.0       2.4
     329.0       1.5
     343.0       9.7
     344.0      20.6
     345.0       4.9
     346.0       1.0
     386.0       3.8
     387.0       1.1