methyl 1,3-benzodioxole-5-carboxylate

Mass

MS-IW-5868          
methyl piperonylate
C9H8O4              (Mass of molecular ion:    180)

   Source Temperature: 110 °C
   Sample Temperature:  90 °C
   Direct, 75 eV

      39.0       1.8
      51.0       1.2
      53.0       1.4
      61.0       1.0
      62.0       3.2
      63.0       6.8
      65.0       6.4
      74.0       4.0
      91.0       5.1
     119.0       3.2
     120.0       1.2
     121.0      19.0
     122.0       1.7
     149.0     100.0
     150.0       9.2
     151.0       1.1
     179.0       7.0
     180.0      63.2
     181.0       6.3