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网站主页CAS数据库列表 66-22-8更多图谱尿嘧啶(66-22-8)核磁图(13CNMR)

尿嘧啶

产品名称 尿嘧啶

CAS号66-22-8

分子式C4H4N2O2

分子量112.09

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  • Mass

    MS-NW-8156          
    uracil
    C4H4N2O2            (Mass of molecular ion:    112)
    

       Source Temperature: 190 °C
       Sample Temperature: 150 °C
       Direct, 75 eV
    

          14.0       1.4
          17.0       2.3
          18.0      12.3
          26.0       3.2
          27.0       2.9
          28.0      34.1
          29.0       2.0
          38.0       2.3
          39.0       4.6
          40.0      16.9
          41.0      18.8
          42.0      47.2
          43.0       4.7
          44.0       4.0
          53.0       1.2
          56.0       1.1
          67.0       1.9
          68.0      15.2
          69.0      64.9
          70.0       6.5
         112.0     100.0
         113.0       5.5
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C4 H4 N2 O2 saturated in DMSO-d6
    uracil
    ChemicalStructure
        Assign.     Shift(ppm)
    A 11.02 B 10.82 C 7.406 D 5.473 J(C,D)=7.5HZ, J(B,C)=5.7HZ

         Hz     ppm     Int.
    

       4404.75  11.022    492
       4324.19  10.820    369
       2971.04   7.435     40
       2966.46   7.423    859
       2960.82   7.409    887
       2958.98   7.404   1000
       2953.19   7.390    880
       2192.69   5.487    521
       2191.31   5.484    770
       2189.79   5.480    672
       2185.06   5.468    536
       2183.53   5.464    770
       2182.16   5.461    658
       2174.53   5.442     23
    

in DMSO-d6



KBr disc



nujol mull