7-Acetoxy-4-methylcoumarin

Mass

MS-IW-6513          
4-methyl-2-oxo-2H-chromen-7-yl acetate
C12H10O4            (Mass of molecular ion:    218)

   Source Temperature: 150 °C
   Sample Temperature: 130 °C
   Direct, 75 eV

      15.0       1.3
      39.0       3.6
      41.0       1.2
      42.0       3.1
      43.0      18.1
      50.0       1.8
      51.0       4.0
      52.0       1.5
      62.0       1.2
      63.0       2.9
      65.0       5.7
      69.0       2.2
      74.0       1.1
      77.0       2.7
      78.0       1.0
      79.0       1.1
      89.0       1.5
      91.0       8.1
      92.0       1.0
     103.0       1.0
     119.0       3.6
     120.0       3.8
     131.0       1.0
     147.0      17.9
     148.0      72.1
     149.0       7.2
     175.0       1.2
     176.0     100.0
     177.0      11.1
     178.0       1.1
     218.0      17.1
     219.0       2.5