2-Thiophenecarboxylic acid hydrazide

Mass

MS-NW-6731          
2-thiophenecarbohydrazide
C5H6N2OS            (Mass of molecular ion:    142)

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

      17.0       1.2
      18.0       5.5
      28.0      14.9
      29.0       1.4
      31.0       2.6
      32.0       2.0
      37.0       1.5
      38.0       2.4
      39.0      22.7
      40.0       1.0
      44.0       1.7
      45.0       5.3
      50.0       1.4
      53.0       1.1
      57.0       4.4
      58.0       2.8
      69.0       1.2
      81.0       1.7
      82.0       2.1
      83.0      10.9
      84.0       2.1
      91.0       1.5
     109.0       1.4
     111.0     100.0
     112.0      15.3
     113.0       6.3
     127.0       1.0
     128.0       1.0
     139.0       1.7
     142.0      16.1
     143.0       1.2

Assign. Shift(ppm) A 9.75 B 7.72 C 7.128 D 4.43

     Hz     ppm     Int.

    873.31   9.752    109
    694.38   7.754    539
    689.75   7.702   1000
    642.50   7.174    297
    638.13   7.126    352
    633.81   7.077    231
    397.19   4.435    105