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网站主页CAS数据库列表 6635-20-7更多图谱5-硝基香兰素(6635-20-7)质谱(MS)

5-硝基香兰素

产品名称 5-硝基香兰素

CAS号6635-20-7

分子式C8H7NO5

分子量197.14

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  • Mass

    MS-IW-1771          
    4-hydroxy-3-methoxy-5-nitrobenzaldehyde
    C8H7NO5             (Mass of molecular ion:    197)
    

       Source Temperature: 160 °C
       Sample Temperature: 140 °C
       Direct, 75 eV
    

          28.0       1.3
          29.0       1.9
          30.0       1.2
          37.0       1.0
          38.0       1.3
          39.0       3.2
          41.0       1.3
          49.0       1.0
          50.0       5.3
          51.0      11.4
          52.0       3.6
          53.0       6.9
          54.0       1.1
          55.0       1.7
          61.0       1.3
          62.0       3.4
          63.0       3.8
          64.0       2.0
          65.0      11.7
          66.0       3.9
          67.0       1.7
          68.0       1.5
          69.0       1.2
          77.0       4.1
          78.0       2.1
          79.0      12.8
          80.0       3.4
          81.0       1.4
          91.0       2.3
          92.0       1.4
          93.0       3.4
          94.0       1.3
          95.0       1.0
          96.0       1.4
         107.0       4.1
         108.0       2.5
         109.0       2.5
         119.0       1.7
         120.0       1.7
         121.0       4.4
         122.0       7.3
         123.0       1.0
         135.0      20.3
         136.0      13.9
         137.0       5.4
         149.0      14.0
         150.0       8.2
         151.0       2.1
         152.0       7.0
         154.0       1.5
         167.0       1.9
         179.0       7.1
         180.0      37.7
         181.0       4.4
         182.0       1.0
         196.0      12.4
         197.0     100.0
         198.0       9.4
         199.0       1.4
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C8 H7 N O5 0.037 g : 0.5 ml DMSO-d6
    4-hydroxy-3-methoxy-5-nitrobenzaldehyde
    ChemicalStructure
        Assign.     Shift(ppm)
    A 9.881 B 8.106 C 7.633 D 3.985

         Hz     ppm     Int.
    

       3949.28   9.882    551
       3240.36   8.108    233
       3238.68   8.104    234
       3051.61   7.636    193
       3049.77   7.632    188
       1592.56   3.985   1000
    

DMSO-d6



KBr disc



nujol mull



4880 A,200 M,powder