β-Hydroxy-β-phenylbenzenepropionic acid ethyl ester(894-18-8)质谱(MS)

Mass

MS-IW-6710          
ethyl 3-hydroxy-3,3-diphenylpropionate
C17H18O3            (Mass of molecular ion:    270)

   Source Temperature: 140 °C
   Sample Temperature: 110 °C
   Direct, 75 eV

      27.0       1.3
      29.0       2.7
      42.0       1.8
      43.0      12.6
      45.0       2.5
      50.0       2.0
      51.0       8.1
      61.0       2.5
      70.0       1.8
      75.0       1.0
      76.0       2.7
      77.0      38.2
      78.0       3.8
      88.0       2.6
      91.0       1.6
     103.0       1.1
     105.0     100.0
     106.0       8.1
     120.0       1.0
     147.0       2.1
     151.0       1.1
     152.0       3.2
     153.0       1.8
     154.0       2.5
     155.0       1.3
     165.0       1.7
     178.0       3.2
     179.0       2.6
     180.0       2.4
     181.0       6.5
     182.0      35.6
     183.0      91.3
     184.0      13.0
     185.0       1.1
     193.0       8.6
     194.0       1.0
     207.0       3.4
     225.0       3.9
     252.0       3.4
     270.0       6.1
     271.0       1.0