Methyl 4-nitrobenzoate

Mass

MS-NW-1471          
methyl p-nitrobenzoate
C8H7NO4             (Mass of molecular ion:    181)

   Source Temperature: 250 °C
   Sample Temperature: 170 °C
   Reservoir, 75 eV

      15.0       6.6
      28.0       2.1
      29.0       1.1
      30.0       2.9
      37.0       1.3
      38.0       2.3
      39.0       2.7
      50.0      19.1
      51.0       3.0
      53.0       1.2
      59.0       2.9
      62.0       1.1
      63.0       3.4
      64.0       4.0
      65.0       1.4
      73.0       1.1
      74.0       7.5
      75.0      16.2
      76.0      21.6
      77.0       7.2
      92.0      14.0
      93.0       1.0
     103.0       9.8
     104.0      25.8
     105.0       2.4
     119.0       5.6
     120.0      15.5
     121.0       1.3
     122.0       1.0
     123.0       1.3
     134.0       3.2
     135.0       7.0
     150.0     100.0
     151.0       9.0
     152.0       1.0
     164.0      15.6
     165.0       2.3
     180.0       3.0
     181.0      33.8
     182.0       3.2

Assign. Shift(ppm) A 8.26 B 8.24 C 3.987

     Hz     ppm     Int.

    748.94   8.363     26
    739.63   8.259    322
    737.63   8.237    303
    734.75   8.205     24
    728.44   8.134     25
    357.13   3.988   1000