Erythromycin

Mass

MS2008-03834CW      
(-)-erythromycin
C37H67NO13          (Mass of molecular ion:    681)

   Source Temperature: 250 °C
   Sample Temperature:  50 °C
   Direct, 70 eV
   comment: Thermal decomposition perhaps happened.

      29.0       1.0
      41.0       2.9
      43.0       6.8
      44.0       1.4
      45.0       3.5
      46.0       5.3
      55.0       1.9
      57.0       3.2
      58.0       2.5
      59.0       1.8
      69.0       2.4
      70.0       1.3
      71.0      10.3
      72.0      10.2
      73.0       2.2
      74.0       1.3
      81.0       1.2
      83.0      12.1
      84.0       6.1
      85.0       2.8
      86.0       2.2
      87.0       8.0
      88.0       2.7
      89.0       1.2
      97.0       3.0
      98.0      16.6
      99.0      13.9
     100.0       8.5
     101.0       4.4
     109.0       3.3
     111.0       1.0
     113.0       2.7
     114.0       5.2
     115.0      18.5
     116.0      28.2
     117.0       2.0
     121.0       1.0
     123.0       4.8
     124.0       1.8
     125.0      10.1
     126.0       1.3
     127.0      10.7
     128.0       1.8
     137.0       5.1
     140.0       2.4
     141.0       2.0
     142.0       5.3
     143.0       1.8
     144.0       1.9
     155.0       1.0
     156.0       1.5
     157.0       1.0
     158.0     100.0
     159.0      24.2
     160.0       2.5
     174.0      17.0
     175.0       4.7
     176.0       2.6
     181.0       1.1
     195.0       1.0
     216.0       2.1
     221.0       1.0
     239.0       1.0
     365.0       1.6
     370.0       1.4
     382.0       1.0
     383.0       1.3
     556.0       1.1
     557.0       1.6
     558.0       1.7
     574.0       1.1
     584.0       1.0
     602.0       1.3
     648.0       1.0
     657.0       1.3
     715.0       4.1
     716.0       2.0