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网站主页CAS数据库列表 7681-99-4更多图谱5,7-二甲基-1,3,4-三氮吲哚利嗪(7681-99-4)核磁图(1HNMR)

5,7-二甲基-1,3,4-三氮吲哚利嗪

产品名称 5,7-二甲基-1,3,4-三氮吲哚利嗪

CAS号7681-99-4

分子式C7H8N4

分子量148.17


  • Mass

    MS-NW-7868          
    5,7-dimethyl(1,2,4)triazolo(1,5-a)pyrimidine
    C7H8N4              (Mass of molecular ion:    148)
    

       Source Temperature: 150 °C
       Sample Temperature: 120 °C
       Direct, 75 eV
    

          15.0       1.4
          26.0       1.3
          27.0       3.3
          28.0       3.4
          38.0       1.0
          39.0       9.2
          40.0       2.5
          41.0       1.9
          42.0       4.3
          51.0       1.6
          52.0       3.0
          53.0       6.0
          54.0       3.6
          55.0       1.4
          64.0       1.0
          65.0       3.2
          66.0       2.6
          67.0       4.7
          68.0       3.6
          79.0       2.8
          80.0       4.2
          84.0       1.2
          94.0       1.1
          95.0       1.3
         106.0       2.3
         107.0       2.1
         108.0       1.2
         109.0      48.1
         110.0       2.7
         120.0       2.3
         121.0       1.6
         133.0       2.0
         147.0       3.8
         148.0     100.0
         149.0       9.9
    

90 MHz in CDCl3


  • 1H NMR 89.56 MHz
    C7 H8 N4 0.038 g : 0.5 ml CDCl3
    5,7-dimethyl(1,2,4)triazolo(1,5-a)pyrimidine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.422 B 6.85 C 2.81 D 2.673 ASSIGNED BY C-H COSY.

         Hz     ppm     Int.
    

        754.31   8.423    198
        613.88   6.855    145
        613.31   6.849    136
        252.19   2.816    635
        251.25   2.806    581
        246.75   2.756     28
        246.63   2.754     28
        239.50   2.675   1000
        236.31   2.639     46
        234.69   2.621     29
    

in CDCl3



KBr disc



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