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Purine

Product Name Purine

CAS120-73-0

MFC5H4N4

MW120.11

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  • Mass

    MS-KW-0258          
    purine
    C5H4N4              (Mass of molecular ion:    120)
    

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

          27.0       1.8
          28.0      16.8
          38.0       6.4
          39.0       8.2
          40.0       4.5
          41.0       1.8
          46.5       1.3
          51.0       1.8
          52.0       9.9
          53.0       3.4
          64.0       1.1
          65.0       6.1
          66.0      31.1
          67.0       3.0
          92.0       4.0
          93.0      22.7
          94.0       1.4
         119.0       2.7
         120.0     100.0
         121.0       7.3
    

400 MHz in DMSO-d6

400 MHz in D2O


  • 1H NMR 399.65 MHz
    C5 H4 N4 0.036 g : 0.5 ml DMSO-d6
    purine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 13.5 B 9.207 C 8.993 D 8.703 ASSIGNED BY C-H COSY

         Hz     ppm     Int.
    

       3679.85   9.208   1000
       3594.17   8.994    888
       3478.99   8.706    637
    


  • 1H NMR 399.65 MHz
    C5 H4 N4 0.030 g : 0.5 ml D2O
    purine
    ChemicalStructure
        Assign.     Shift(ppm)
    A 8.833 B 8.719 C 8.501

         Hz     ppm     Int.
    

       3530.40   8.834    833
       3484.86   8.720   1000
       3397.58   8.502    858
    

in DMSO-d6

in D20

in CDCl3







KBr disc



nujol mull





ANION RADICAL, ELECTROLYTIC REDUCTION IN DMF