DL-THYROXINE

Mass

MS-IW-3541          
O(4)-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-DL-tyrosine
C15H11I4NO4         (Mass of molecular ion:    777)

   Source Temperature: 190 °C
   Sample Temperature: 220 °C
   Direct, 75 eV

      18.0       3.3
      28.0       2.0
      30.0     100.0
      31.0       1.7
      39.0       1.0
      44.0      14.9
      50.0       1.6
      51.0       2.2
      53.0       3.9
      62.0       4.1
      63.0       4.5
      63.5       1.0
      64.0       1.3
      74.0       5.8
      75.0       1.2
      76.0       5.0
      77.0       1.4
      79.0       1.1
      87.0       1.0
      88.0       2.0
      89.0       2.1
      90.0       1.3
      91.0       5.2
      92.0       1.9
     127.0      12.8
     128.0      16.8
     138.0       1.2
     139.0       5.0
     140.0       1.3
     167.0       1.2
     168.0       1.7
     169.0       1.4
     195.0       1.0
     196.0       1.9
     197.0       1.0
     203.0       1.3
     218.0       2.6
     231.0       1.4
     232.0       1.0
     254.0      12.5
     294.0       1.3
     295.0       1.1
     322.0       2.7
     323.0       3.6
     324.0       1.8
     359.0       2.0
     422.0       1.1
     449.0       3.2
     450.0       2.5
     577.0       1.2
     578.0       1.5
     607.0       3.5
     703.0       1.2
     704.0       2.0
     733.0       8.9
     734.0       1.3