3,4-二甲氧基苯甲酸甲酯

Mass

MS-IW-7824          
methyl veratrate
C10H12O4            (Mass of molecular ion:    196)

   Source Temperature: 230 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       2.7
      28.0       1.4
      39.0       1.5
      50.0       2.8
      51.0       7.2
      52.0       1.4
      53.0       2.2
      59.0       6.1
      62.0       1.6
      63.0       3.0
      64.0       1.4
      65.0       2.2
      66.0       1.6
      69.0       1.2
      75.0       1.5
      76.0       2.5
      77.0       8.8
      78.0       1.3
      79.0      10.7
      80.0       1.4
      81.0       1.5
      82.5       1.1
      91.0       2.8
      92.0       3.8
      93.0       3.5
      94.0       5.8
      95.0       2.2
     105.0       1.1
     107.0       4.6
     108.0       1.0
     109.0       2.2
     110.0       1.3
     119.0       4.3
     120.0       2.2
     121.0       6.8
     122.0       6.5
     123.0       2.4
     125.0       6.9
     135.0       2.2
     136.0       2.5
     137.0      11.1
     138.0       1.8
     149.0       4.3
     151.0       1.5
     153.0       3.2
     165.0      89.9
     166.0       9.1
     167.0       1.1
     181.0      11.8
     182.0       1.2
     196.0     100.0
     197.0      11.0
     198.0       1.3

Parameter ppm Hz D(A) 7.509 D(B) 7.000 D(C) 7.610 J(A,B) 0.30 J(A,C) 1.98 J(B,C) 8.36 D(D) 3.857 D(E) 3.876 D(F) 3.843 SCOTT,K.N. J.MAGN.RESON. 2, 361 (1970)

     Hz     ppm     Int.

   2288.29   7.628     77
   2286.36   7.621     86
   2279.93   7.600     84
   2277.99   7.593     96
   2253.66   7.512    155
   2251.70   7.506    137
   2104.11   7.014    147
   2095.74   6.986    134
   1162.80   3.876    994
   1157.11   3.857   1000
   1152.92   3.843    997