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1H-咪唑-4,5-二甲酸二甲酯

产品名称 1H-咪唑-4,5-二甲酸二甲酯

CAS号3304-70-9

分子式C7H8N2O4

分子量184.15

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  • Mass

    MS-IW-6469          
    dimethyl 4,5-imidazoledicarboxylate
    C7H8N2O4            (Mass of molecular ion:    184)
    

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

          15.0       1.8
          28.0       1.5
          39.0       1.6
          40.0       1.3
          42.0       1.5
          44.0       1.4
          59.0       1.3
          65.0       1.7
          67.0       6.0
          68.0       6.5
          70.0       1.1
          93.0       1.4
          94.0       8.4
          95.0       2.0
          96.0       8.4
         121.0      54.9
         122.0       4.4
         123.0       5.4
         126.0      21.1
         127.0       1.4
         153.0     100.0
         154.0      15.6
         155.0       1.5
         184.0      35.2
         185.0       3.9
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C7 H8 N2 O4 0.041 g : 0.5 ml DMSO-d6
    dimethyl 4,5-imidazoledicarboxylate
    ChemicalStructure
        Assign.     Shift(ppm)
    A 7.933 B 3.826

         Hz     ppm     Int.
    

       3170.41   7.933    246
       1529.17   3.827   1000
    

in DMSO-d6



KBr disc



nujol mull