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网站主页CAS数据库列表 769-42-6更多图谱1,3-二甲基巴比妥酸(769-42-6)质谱(MS)

1,3-二甲基巴比妥酸

产品名称 1,3-二甲基巴比妥酸

CAS号769-42-6

分子式C6H8N2O3

分子量156.14

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  • Mass

    MS-IW-9155          
    1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione
    C6H8N2O3            (Mass of molecular ion:    156)
    

       Source Temperature: 150 °C
       Sample Temperature: 130 °C
       Direct, 75 eV
    

          14.0       1.2
          15.0       4.4
          27.0       1.2
          28.0      11.2
          29.0       3.0
          30.0      18.3
          31.0       2.9
          41.0       3.5
          42.0     100.0
          43.0      20.7
          44.0       2.0
          55.0       1.5
          56.0      12.7
          57.0       1.9
          58.0      13.7
          69.0       7.4
          70.0       5.8
          71.0      27.6
          72.0       1.5
          87.0       1.1
          98.0       3.3
          99.0      10.9
         100.0       2.4
         128.0       6.5
         129.0       5.3
         156.0      71.6
         157.0       7.0
    

parameter in CDCl3


  • 1H NMR 300 MHz
    C6 H8 N2 O3 0.040 g : 0.5 ml CDCl3
    1,3-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione
    ChemicalStructure
        Parameter     ppm  Hz
    D(A) 3.689 D(B) 3.306

         Hz     ppm     Int.
    

       1106.70   3.689    333
        991.80   3.306   1000
    

in CDCl3



KBr disc



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