2-氨基-4,5-二甲氧基苯甲酸

Mass

MS-IW-0795          
2-amino-4,5-dimethoxybenzoic acid
C9H11NO4            (Mass of molecular ion:    197)

   Source Temperature: 150 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      17.0       1.3
      18.0       7.2
      28.0       2.7
      39.0       3.9
      41.0       1.6
      44.0       3.1
      50.0       1.0
      51.0       2.1
      52.0       4.9
      53.0       3.2
      58.0       2.5
      63.0       1.6
      65.0       3.1
      66.0       1.3
      67.0       1.1
      68.0       2.7
      76.0       1.0
      77.0       1.8
      78.0       2.0
      79.0       1.0
      80.0       2.4
      81.0       1.0
      82.0       2.3
      90.0       1.8
      92.0       1.3
      93.0       3.9
      94.0       5.5
      95.0       1.3
      98.5       1.1
     106.0       1.6
     108.0       8.7
     109.0       2.5
     110.0       3.8
     120.0       1.0
     121.0       1.0
     122.0       1.1
     125.0       2.2
     133.0       1.1
     134.0       1.9
     136.0      26.1
     137.0       2.8
     138.0       4.7
     151.0       1.9
     152.0       4.0
     153.0       5.6
     154.0       1.5
     164.0      54.4
     165.0       5.2
     179.0      18.7
     180.0       3.2
     181.0       1.3
     182.0      75.7
     183.0       7.1
     197.0     100.0
     198.0      10.7
     199.0       1.3

Assign. Shift(ppm) A 8.5 B 7.155 C 6.346 D *1 3.744 E *1 3.649

     Hz     ppm     Int.

   2859.50   7.156    369
   2536.25   6.347    300
   1496.58   3.745    825
   1458.25   3.649   1000