Mass

MS-IW-6451          
4-(6-isopropyl-4-methyl-1-naphthyl)butyric acid
C18H22O2            (Mass of molecular ion:    270)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      18.0       1.4
      41.0       1.0
      43.0       1.4
      76.0       1.0
      89.0       1.6
      91.0       1.7
     115.0       1.4
     128.0       1.3
     135.0       1.2
     141.0       2.0
     152.0       4.6
     153.0       5.3
     154.0       3.4
     155.0       4.3
     165.0       8.1
     166.0       3.7
     167.0      19.0
     168.0       4.5
     169.0       2.5
     178.0       2.4
     179.0       2.8
     180.0       1.7
     181.0      11.0
     182.0       8.1
     183.0       5.0
     184.0       1.0
     191.0       1.1
     192.0       1.1
     193.0       1.0
     194.0       1.0
     195.0       4.1
     196.0       1.7
     197.0      89.1
     198.0      15.6
     199.0       1.3
     209.0       3.0
     210.0       8.1
     211.0       1.8
     219.0       2.2
     224.0       1.2
     237.0       6.0
     238.0       1.1
     252.0       7.0
     253.0       2.1
     255.0      24.8
     256.0       4.7
     270.0     100.0
     271.0      20.0
     272.0       2.3