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网站主页CAS数据库列表 51-20-7更多图谱5-溴尿嘧啶(51-20-7)质谱(MS)

5-溴尿嘧啶

产品名称 5-溴尿嘧啶

CAS号51-20-7

分子式C4H3BrN2O2

分子量190.98

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  • Mass

    MS-NW-5403          
    5-bromo-2,4(1H,3H)-pyrimidinedione
    C4H3BrN2O2          (Mass of molecular ion:    190)
    

       Source Temperature: 160 °C
       Sample Temperature: 110 °C
       Direct, 75 eV
    

          12.0       1.4
          13.0       1.3
          18.0       3.5
          25.0       3.4
          26.0       1.7
          27.0       5.0
          28.0      59.3
          29.0       2.7
          38.0       9.6
          39.0      15.1
          40.0      34.7
          41.0       7.0
          42.0       3.0
          43.0       6.4
          44.0       6.0
          51.0       2.0
          52.0       1.3
          53.0       8.1
          54.0       1.9
          55.0       3.5
          67.0       5.1
          68.0       4.1
          69.0       1.9
          70.0       5.5
          79.0       3.4
          80.0       2.2
          81.0       3.2
          82.0       2.6
          91.0       7.3
          92.0      11.0
          93.0       7.4
          94.0      11.1
         104.0       7.3
         106.0       7.7
         111.0       2.5
         112.0       2.6
         117.0       1.1
         118.0       6.4
         119.0       3.2
         120.0      61.2
         121.0       3.3
         122.0      54.8
         123.0       1.4
         146.0       1.2
         147.0      87.9
         148.0       6.3
         149.0      85.1
         150.0       5.2
         190.0     100.0
         191.0       5.7
         192.0      97.7
         193.0       5.7
    

parameter in DMSO-d6


  • 1H NMR 300 MHz
    C4 H3 Br N2 O2 12 % in DMSO-d6
    5-bromo-2,4(1H,3H)-pyrimidinedione
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 7.83 D(B) 11.21 J(A,B) 6.0 D(C) 11.45 KOKKO,J.P. ET AL. J.AM.CHEM.SOC. 84, 1042 (1962)

         Hz     ppm     Int.
    

       3434.99  11.450   1000
       3366.00  11.220    501
       3360.03  11.200    506
       2351.97   7.840    506
       2346.04   7.820    501
    

in DMSO-d6



KBr disc



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