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Purine

Product Name Purine

CAS120-73-0

MFC5H4N4

MW120.11

¹³CNMR

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

    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

    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

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