Pentobarbital(76-74-4) IR2

Mass

MS-IW-4532          
5-ethyl-5-(1-methylbutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione
C11H18N2O3          (Mass of molecular ion:    226)

   Source Temperature: 130 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      27.0       2.3
      29.0       3.1
      39.0       2.7
      41.0       9.0
      42.0       1.9
      43.0      13.7
      44.0       1.4
      53.0       1.5
      55.0       5.0
      67.0       1.5
      69.0       4.4
      70.0       1.8
      71.0       5.0
      85.0       1.3
      97.0       2.2
      98.0       4.8
     112.0       2.4
     141.0      52.8
     142.0       3.6
     155.0       6.0
     156.0     100.0
     157.0      21.4
     158.0       2.0
     197.0       5.5