6-(P-METHOXYPHENYL)PIPERONYLICACID

Mass

MS-IW-5872          
6-(p-methoxyphenyl)piperonylic acid
C15H12O5            (Mass of molecular ion:    272)

   Source Temperature: 170 °C
   Sample Temperature: 170 °C
   Direct, 75 eV

      18.0       4.8
      28.0       2.9
      51.0       1.3
      62.0       1.2
      63.0       2.6
      74.0       1.7
      75.0       2.4
      76.0       1.2
      77.0       1.5
      86.0       1.1
      87.0       1.2
      89.0       1.1
      91.0       1.0
      98.0       1.1
      99.0       1.5
     100.0       1.1
     107.0       1.5
     112.0       1.0
     114.0       1.2
     115.0       4.5
     120.0       1.9
     121.0       1.0
     125.0       2.0
     126.0       5.3
     127.0       4.9
     128.0       1.6
     136.0       3.6
     139.0       1.4
     143.0       1.7
     153.0       1.0
     154.0       1.9
     155.0       4.1
     168.0       1.1
     169.0       3.3
     171.0       2.1
     183.0       7.4
     184.0       1.6
     185.0       1.7
     197.0       5.6
     198.0       1.1
     199.0       2.3
     201.0       1.6
     211.0       8.6
     212.0       2.9
     213.0       3.4
     225.0       3.2
     227.0       2.0
     228.0       1.5
     229.0       1.5
     239.0      15.3
     240.0       3.0
     241.0       1.0
     254.0      22.9
     255.0      11.5
     256.0       2.1
     257.0       4.2
     271.0       9.3
     272.0     100.0
     273.0      16.8
     274.0       2.3