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Pyrazole

Product Name Pyrazole

CAS288-13-1

MFC3H4N2

MW68.08

¹³CNMR

Mass

MS-NW-5084          
pyrazole
C3H4N2              (Mass of molecular ion:     68)

   Source Temperature: 260 °C
   Sample Temperature: 190 °C
   Reservoir, 75 eV

      14.0       2.2
      26.0       1.6
      27.0       3.1
      28.0      17.9
      29.0       1.1
      35.0       2.1
      38.0       2.4
      39.0       5.6
      40.0       9.4
      41.0      16.6
      42.0      39.5
      43.0       4.6
      67.0      10.6
      68.0     100.0
      69.0       4.4

parameter in CCl4

¹H NMR	300 MHz
C₃ H₄ N₂	0.5 M in CCl₄
pyrazole

    Parameter     ppm  Hz

      D(A)         7.74
      D(B)         6.10
       J(A,A')         0.0
       J(A,B)          2.1
       J(A',B)         2.1
     
      D(C)        13.60
     
     WILLIAMS,J.K. J.ORG.CHEM. 29, 1377 (1964)

     Hz     ppm     Int.

   4080.03  13.600    964
   2323.06   7.744    992
   2321.05   7.737   1000
   1832.09   6.107    261
   1830.08   6.100    498
   1828.00   6.093    257

in CDCl3

KBr disc

nujol mull

4880 A,200 M,powder

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