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网站主页CAS数据库列表 487-21-8更多图谱2,4-二羟基蝶啶(487-21-8)质谱(MS)

2,4-二羟基蝶啶

产品名称 2,4-二羟基蝶啶

CAS号487-21-8

分子式C6H4N4O2

分子量164.12

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  • Mass

    MS-NW-1868          
    2,4-pteridinediol
    C6H4N4O2 (H2O)      (Mass of molecular ion:    164)
    

       Source Temperature: 210 °C
       Sample Temperature: 160 °C
       Direct, 75 eV
    

          17.0       4.4
          18.0      20.7
          26.0       3.8
          27.0       2.6
          28.0       8.9
          29.0       1.1
          33.0       1.0
          38.0       7.8
          39.0      12.2
          40.0       8.1
          41.0       5.2
          42.0       1.5
          43.0       2.4
          44.0       2.2
          51.0       3.3
          52.0       5.2
          53.0      11.2
          54.0       2.9
          55.0       1.0
          57.0       1.3
          64.0       1.3
          65.0       5.9
          66.0      44.1
          67.0      12.0
          68.0       1.0
          69.0       3.2
          70.0       5.5
          77.0       1.6
          78.0       1.3
          92.0       1.5
          93.0      56.8
          94.0       5.4
         105.0       1.2
         120.0       1.8
         121.0      59.1
         122.0       5.1
         164.0     100.0
         165.0       8.3
    

400 MHz in DMSO-d6


  • 1H NMR 399.65 MHz
    C6 H4 N4 O2 0.040 g : 0.5 ml DMSO-d6
    2,4-pteridinediol
    ChemicalStructure
        Assign.     Shift(ppm)
    A *1 11.9 B *1 11.7 C *2 8.679 D *2 8.559

         Hz     ppm     Int.
    

       4760.13  11.911     40
       4683.57  11.720     49
       3469.91   8.683    905
       3467.52   8.677   1000
       3427.05   8.576     24
       3421.92   8.563    984
       3419.54   8.557    928
    

in DMSO-d6



KBr disc



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