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51-20-7

5-Bromouracil

Product Name 5-Bromouracil

CAS51-20-7

MFC4H3BrN2O2

MW190.98

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  • 51-20-7_ms
    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

  • 51-20-7_1hnmr

    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

  • 51-20-7_13cnmr

KBr disc

  • 51-20-7_ir1_2

nujol mull

  • 51-20-7_ir2

  • 51-20-7_raman