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网站主页CAS数据库列表 89-41-8更多图谱4-甲氧基-3-硝基苯甲酸(89-41-8)核磁图(13CNMR)

4-甲氧基-3-硝基苯甲酸

产品名称 4-甲氧基-3-硝基苯甲酸

CAS号89-41-8

分子式C8H7NO5

分子量197.14

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  • Mass

    MS-NW-7295          
    4-methoxy-3-nitrobenzoic acid
    C8H7NO5             (Mass of molecular ion:    197)
    

       Source Temperature: 160 °C
       Sample Temperature: 150 °C
       Direct, 75 eV
    

          15.0       1.8
          18.0       1.6
          26.0       1.0
          27.0       1.6
          28.0       2.3
          29.0       2.4
          30.0       8.0
          31.0       3.8
          37.0       3.8
          38.0       5.8
          39.0       9.8
          40.0       1.2
          41.0       1.7
          43.0       1.1
          45.0       5.6
          46.0       1.1
          49.0       1.2
          50.0      14.9
          51.0      14.7
          52.0       7.8
          53.0       9.0
          54.0       1.2
          55.0       3.3
          61.0       5.2
          62.0      14.3
          63.0      27.8
          64.0       5.3
          65.0      59.7
          66.0       7.2
          67.0       3.0
          68.0       3.5
          69.0       3.0
          71.0       2.7
          73.0       2.2
          74.0      11.1
          75.0      15.8
          76.0      23.6
          77.0      12.6
          78.0      10.2
          79.0      10.7
          80.0       3.6
          81.0      11.7
          82.0       1.0
          91.0       9.1
          92.0       2.7
          93.0       9.4
          94.0       4.9
          95.0       5.3
          96.0       5.5
          99.0       1.1
         103.0       6.6
         104.0      12.4
         105.0       7.6
         106.0       7.1
         107.0       3.5
         108.0       4.2
         109.0      10.6
         110.0       1.0
         111.0       8.8
         119.0      59.9
         120.0       6.1
         121.0      16.6
         122.0       6.0
         123.0       2.8
         124.0       2.4
         133.0       2.4
         136.0      31.9
         137.0      20.1
         138.0       2.4
         139.0      10.8
         140.0       1.6
         149.0       1.3
         150.0     100.0
         151.0       8.2
         152.0       2.2
         166.0       1.0
         167.0      69.0
         168.0      11.1
         169.0       1.3
         180.0       6.3
         181.0       1.3
         197.0      96.8
         198.0       9.7
         199.0       1.5
         201.0       1.3
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C8 H7 N O5 0.036 g : 0.5 ml DMSO-d6
    4-methoxy-3-nitrobenzoic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13.3 B 8.359 C 8.193 D 7.474 E 4.027

         Hz     ppm     Int.
    

       3341.69   8.362    248
       3340.04   8.358    247
       3279.96   8.208    127
       3278.31   8.203    122
       3271.17   8.186    136
       3269.52   8.181    127
       2991.48   7.486    180
       2982.68   7.464    170
       1609.67   4.028   1000
    

in DMSO-d6



KBr disc



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