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网站主页CAS数据库列表 19910-33-9更多图谱α-甲基-4-硝基苯乙酸(19910-33-9)核磁图(13CNMR)

α-甲基-4-硝基苯乙酸

产品名称 α-甲基-4-硝基苯乙酸

CAS号19910-33-9

分子式C9H9NO4

分子量195.17


  • Mass

    MS-IW-1122          
    2-(p-nitrophenyl)propionic acid
    C9H9NO4             (Mass of molecular ion:    195)
    

       Source Temperature: 140 °C
       Sample Temperature: 100 °C
       Direct, 75 eV
    

          18.0       3.5
          27.0       1.6
          28.0       1.5
          30.0       2.3
          39.0       2.6
          43.0       2.0
          44.0       2.8
          50.0       2.4
          51.0       4.7
          52.0       1.4
          53.0       1.2
          63.0       2.4
          65.0       2.0
          75.0       1.1
          76.0       1.6
          77.0      12.9
          78.0       7.9
          79.0       2.7
          89.0       1.0
          91.0       9.2
          92.0      11.4
          93.0       1.7
         102.0       1.9
         103.0      13.4
         104.0      19.0
         105.0      12.4
         106.0       1.9
         119.0       1.9
         120.0      17.8
         121.0       3.4
         133.0       1.0
         134.0       3.7
         136.0       1.0
         149.0       2.7
         150.0     100.0
         151.0      19.2
         152.0       1.9
         165.0       1.1
         195.0      45.8
         196.0       5.4
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C9 H9 N O4 0.038 g : 0.5 ml CDCl3
    2-(p-nitrophenyl)propionic acid
    ChemicalStructure
        Assign.     Shift(ppm)
    A 10.2 B 8.170 C 7.489 D 3.866 E 1.570

         Hz     ppm     Int.
    

        915.97  10.228     94
        740.41   8.268     34
        738.79   8.250     76
        736.52   8.224    418
        734.55   8.202    147
        732.86   8.183     45
        729.64   8.147    189
        727.66   8.125    541
        725.24   8.098     80
        676.90   7.559     96
        674.49   7.532    481
        672.66   7.511    155
        670.39   7.486     46
        669.80   7.479     49
        667.60   7.455    149
        665.84   7.435    373
        663.43   7.408     55
        357.64   3.994     47
        350.39   3.913    142
        343.07   3.831    153
        336.11   3.753     57
        144.14   1.610   1000
        140.92   1.574     76
        136.96   1.530    920
    

in CDCl3



KBr disc



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