3-oxopregn-4-ene-21,17alpha-carbolactone

Mass

MS-NW-8982          
17-hydroxy-3-oxo-17alpha-pregn-4-ene-21-carboxylic gamma-lactone
C22H30O3            (Mass of molecular ion:    342)

   Source Temperature: 220 °C
   Sample Temperature: 170 °C
   Direct, 75 eV

      18.0       1.5
      28.0       2.6
      29.0       2.6
      39.0       1.4
      41.0       9.4
      42.0       1.1
      43.0       5.3
      53.0       4.3
      54.0       1.1
      55.0      19.2
      56.0       6.4
      57.0       3.6
      65.0       2.4
      66.0       1.4
      67.0      14.7
      68.0       5.9
      69.0       5.4
      70.0       1.9
      71.0       1.4
      77.0       9.2
      78.0       2.3
      79.0      20.4
      80.0       3.7
      81.0      14.5
      82.0       2.4
      83.0       5.0
      84.0       1.4
      85.0       2.2
      87.0       1.4
      91.0      19.5
      92.0       4.1
      93.0      19.2
      94.0       6.9
      95.0      15.6
      96.0       3.4
      97.0       8.0
      98.0       7.1
      99.0       3.5
     101.0       1.2
     103.0       1.5
     104.0       1.5
     105.0      21.1
     106.0       8.2
     107.0      22.8
     108.0       9.0
     109.0      14.7
     110.0       5.3
     111.0      25.2
     112.0       5.9
     113.0       1.9
     115.0       2.2
     116.0       1.2
     117.0       6.0
     118.0       3.9
     119.0      19.8
     120.0      10.4
     121.0      22.0
     122.0      19.3
     123.0      24.3
     124.0      38.0
     125.0       7.1
     128.0       1.6
     129.0       3.4
     130.0       1.8
     131.0       9.6
     132.0       4.9
     133.0      14.2
     134.0      10.2
     135.0       9.4
     136.0       6.5
     137.0       8.2
     138.0       4.1
     141.0       1.4
     142.0       1.4
     143.0       5.3
     144.0       3.0
     145.0      14.2
     146.0       7.6
     147.0      18.2
     148.0      20.5
     149.0      14.0
     150.0       4.6
     151.0       1.4
     152.0       1.0
     153.0       6.0
     154.0       1.0
     155.0       2.1
     156.0       1.8
     157.0       7.1
     158.0       3.3
     159.0      13.4
     160.0       4.6
     161.0       8.1
     162.0       4.8
     163.0       5.2
     164.0       1.5
     165.0       1.9
     166.0       2.5
     167.0       1.4
     169.0       1.9
     170.0       1.4
     171.0       4.4
     172.0       3.4
     173.0       8.1
     174.0       5.8
     175.0       5.4
     176.0       2.7
     177.0       2.1
     179.0       1.9
     183.0       3.0
     184.0       2.1
     185.0       5.8
     186.0       3.3
     187.0       9.8
     188.0       3.3
     189.0       7.1
     190.0       2.2
     191.0       1.4
     193.0       1.9
     195.0       1.3
     197.0       1.9
     198.0       1.7
     199.0       3.8
     200.0       7.2
     201.0       8.9
     202.0       4.8
     203.0       4.6
     204.0       1.7
     205.0       2.7
     206.0       1.9
     207.0       2.7
     209.0       2.8
     210.0       1.2
     211.0       5.5
     212.0       1.7
     213.0       8.3
     214.0       3.2
     215.0       6.1
     216.0       3.4
     217.0       6.6
     218.0      10.9
     219.0      14.3
     220.0       5.9
     221.0       8.0
     222.0       1.6
     224.0       4.1
     225.0       2.7
     226.0       3.2
     227.0      10.2
     228.0       3.4
     229.0      11.9
     230.0       3.9
     231.0      18.7
     232.0      10.4
     233.0       5.9
     234.0       2.2
     239.0       1.6
     241.0       2.2
     242.0      15.9
     243.0       6.2
     244.0      19.5
     245.0      16.8
     246.0       7.3
     247.0       1.7
     251.0       3.2
     252.0       1.9
     253.0       1.0
     257.0       9.0
     258.0       2.9
     259.0       1.1
     260.0       1.6
     267.0       1.7
     268.0       1.6
     269.0      18.9
     270.0       5.1
     271.0       3.0
     272.0       2.0
     277.0       1.1
     281.0       1.5
     282.0       1.7
     283.0       1.8
     284.0       1.3
     285.0       3.0
     286.0       1.9
     287.0       2.4
     296.0       2.0
     298.0       2.5
     299.0       2.0
     300.0      31.7
     301.0       7.1
     302.0       1.0
     306.0       1.0
     309.0       4.7
     310.0       1.2
     314.0       5.4
     315.0       1.3
     324.0       7.5
     325.0       2.6
     326.0       1.1
     327.0       6.4
     328.0       2.1
     329.0       1.4
     340.0       1.0
     342.0     100.0
     343.0      24.4
     344.0       9.5
     345.0       1.8