5,7-DIMETHYL-1,3,4-TRIAZAINDOLIZINE(7681-99-4) IR1

Product Name5,7-DIMETHYL-1,3,4-TRIAZAINDOLIZINE

CAS 7681-99-4

Molecular FormulaC7H8N4

Molecular Weight148.17

Request For Quotation

Mass

MS-NW-7868          
5,7-dimethyl(1,2,4)triazolo(1,5-a)pyrimidine
C7H8N4              (Mass of molecular ion:    148)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      15.0       1.4
      26.0       1.3
      27.0       3.3
      28.0       3.4
      38.0       1.0
      39.0       9.2
      40.0       2.5
      41.0       1.9
      42.0       4.3
      51.0       1.6
      52.0       3.0
      53.0       6.0
      54.0       3.6
      55.0       1.4
      64.0       1.0
      65.0       3.2
      66.0       2.6
      67.0       4.7
      68.0       3.6
      79.0       2.8
      80.0       4.2
      84.0       1.2
      94.0       1.1
      95.0       1.3
     106.0       2.3
     107.0       2.1
     108.0       1.2
     109.0      48.1
     110.0       2.7
     120.0       2.3
     121.0       1.6
     133.0       2.0
     147.0       3.8
     148.0     100.0
     149.0       9.9

90 MHz in CDCl3

¹H NMR	89.56 MHz
C₇ H₈ N₄	0.038 g : 0.5 ml CDCl₃
5,7-dimethyl(1,2,4)triazolo(1,5-a)pyrimidine

    Assign.     Shift(ppm)

      A             8.422
      B             6.85
      C             2.81
      D             2.673
     
     ASSIGNED BY C-H COSY.

     Hz     ppm     Int.

    754.31   8.423    198
    613.88   6.855    145
    613.31   6.849    136
    252.19   2.816    635
    251.25   2.806    581
    246.75   2.756     28
    246.63   2.754     28
    239.50   2.675   1000
    236.31   2.639     46
    234.69   2.621     29

in CDCl3

KBr disc

nujol mull

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