Cryptotanshinone(35825-57-1) IR2

Mass

MS-IW-8007          
(-)-1,6,6-trimethyl-1,2,6,7,8,9-hexahydrophenanthro(1,2-b)furan-10,11-dione
C19H20O3            (Mass of molecular ion:    296)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      28.0       1.4
      39.0       1.3
      41.0       1.6
      43.0       1.6
      51.0       1.0
      53.0       1.0
      63.0       1.4
      76.0       3.0
      77.0       1.8
      82.0       1.9
      82.5       1.3
      83.0       1.4
      88.0       1.2
      89.0       3.0
      91.0       2.1
      96.0       1.0
      97.0       1.1
     103.0       1.0
     104.0       1.2
     105.0       4.2
     109.0       1.1
     110.0       1.1
     111.5       1.1
     112.0       1.1
     112.5       2.3
     115.0       4.8
     119.0       2.3
     126.0       1.1
     126.5       2.4
     127.0       3.6
     128.0       6.2
     129.0       2.1
     139.0       2.0
     141.0       5.2
     142.0       2.5
     143.0       5.1
     151.0       1.3
     152.0       4.2
     153.0       3.0
     154.0       1.0
     155.0       3.7
     156.0       1.3
     157.0       1.6
     165.0       6.0
     166.0       2.1
     167.0       2.4
     169.0       6.3
     170.0       1.3
     171.0      15.5
     172.0       2.1
     178.0       2.9
     179.0       2.4
     181.0       2.0
     182.0       1.2
     183.0       2.0
     185.0       4.6
     186.0       1.2
     189.0       1.1
     191.0       1.5
     192.0       1.5
     193.0       1.2
     195.0       2.6
     196.0       1.3
     197.0       2.5
     207.0       1.6
     209.0       2.4
     210.0       2.0
     211.0       5.0
     212.0       1.1
     221.0       1.2
     223.0       3.1
     224.0       1.6
     225.0       5.0
     226.0       1.2
     235.0       8.8
     236.0       2.3
     237.0       1.9
     238.0       2.6
     239.0       3.9
     240.0       1.4
     249.0       1.3
     251.0      14.4
     252.0       3.4
     253.0     100.0
     254.0      19.6
     255.0       2.5
     261.0       2.3
     263.0       7.8
     264.0       1.9
     265.0       1.8
     266.0       5.5
     267.0       5.2
     268.0      27.8
     269.0       6.3
     277.0       1.1
     279.0       2.7
     280.0       1.9
     281.0      18.9
     282.0       5.4
     283.0       1.3
     294.0       7.5
     295.0       2.9
     296.0      88.9
     297.0      20.7
     298.0       3.8
     312.0       1.4