4H-1-Benzopyran-4-one, 5,7-bis(acetyloxy)-3-[4-(acetyloxy)phenyl]-(5995-97-1) IR1

Mass

MS-IW-3256          
5,7-diacetoxy-3-(p-acetoxyphenyl)-4H-chromen-4-one
C21H16O8            (Mass of molecular ion:    396)

   Source Temperature: 140 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      15.0       1.4
      28.0       1.7
      42.0       3.5
      43.0      27.5
      45.0       1.0
      51.0       1.3
      63.0       1.8
      69.0       2.8
      77.0       1.0
      89.0       4.1
      90.0       1.2
      96.0       1.1
     118.0       8.6
     119.0       2.1
     123.0       3.3
     124.0       3.8
     137.0       1.1
     152.0       7.6
     153.0      10.7
     213.0       1.4
     241.0       6.4
     242.0       2.2
     253.0       1.9
     254.0       4.5
     269.0      11.6
     270.0     100.0
     271.0      16.3
     272.0       2.3
     283.0       1.0
     296.0       3.0
     311.0       2.4
     312.0      58.3
     313.0      10.9
     314.0       1.7
     354.0      30.9
     355.0       6.5
     356.0       1.1
     396.0       7.2
     397.0       1.7