D-Pyroglutamic acid

Mass

MS-KW-0936          
D-pyroglutamic acid
C5H7NO3             (Mass of molecular ion:    129)

   Source Temperature: 170 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       1.2
      18.0       6.2
      26.0       1.1
      27.0       3.0
      28.0      19.3
      29.0       2.6
      30.0       1.1
      39.0       1.8
      41.0      25.6
      42.0       1.8
      44.0       1.1
      45.0       1.9
      54.0       1.2
      55.0       2.8
      56.0       8.2
      73.0       1.1
      83.0       1.3
      84.0     100.0
      85.0       5.1
     129.0       4.8