Desmethylbellidifolin(2980-32-7) IR1

Mass

MS-IW-7039          
1,3,5,8-tetrahydroxy-9-xanthenone
C13H8O6             (Mass of molecular ion:    260)

   Source Temperature: 180 °C
   Sample Temperature: 210 °C
   Direct, 75 eV

      17.0       2.7
      18.0      12.8
      28.0       4.5
      39.0       1.0
      51.0       1.2
      67.0       1.0
      69.0       2.7
      79.0       1.3
      91.0       1.1
     116.0       4.0
     130.0       5.0
     152.0       1.9
     153.0       1.1
     203.0       2.8
     204.0       1.4
     231.0       3.5
     232.0       3.8
     259.0      10.3
     260.0     100.0
     261.0      14.6
     262.0       2.3
     274.0       1.2