67-20-9

Nitrofurantoin(67-20-9) IR2

Product NameNitrofurantoin

CAS 67-20-9

Molecular FormulaC8H6N4O5

Molecular Weight238.16

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Nitrofurantoin(67-20-9) IR2
Mass

MS-NW-7866          
1-(5-nitrofurfurylideneamino)-2,4-imidazolidinedione
C8H6N4O5            (Mass of molecular ion:    238)

   Source Temperature: 210 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

      18.0       2.6
      26.0       2.3
      27.0       2.8
      28.0      15.2
      29.0       8.7
      30.0       5.2
      37.0       2.6
      38.0      13.4
      39.0       7.7
      40.0       1.1
      41.0       1.2
      42.0      17.6
      43.0       3.7
      44.0       6.9
      50.0       6.2
      51.0      40.9
      52.0       4.7
      53.0       1.8
      54.0       4.8
      55.0       6.8
      56.0       2.9
      57.0       7.1
      64.0       7.8
      65.0       7.5
      66.0       3.8
      67.0       1.1
      68.0       1.9
      70.0       3.3
      72.0       8.5
      79.0      48.8
      80.0       5.9
      81.0       1.3
      82.0      11.4
      93.0       7.2
      94.0       1.4
      96.0       3.9
      98.0       1.1
     100.0     100.0
     101.0       4.8
     122.0       2.7
     123.0       1.7
     125.0       1.2
     137.0       2.5
     139.0       1.9
     153.0       1.8
     167.0      26.9
     168.0       2.7
     192.0       1.8
     238.0      24.5
     239.0       3.0

400 MHz in DMSO-d6

Nitrofurantoin(67-20-9) IR2

¹H NMR	399.65 MHz
C₈ H₆ N₄ O₅	0.043 g : 0.5 ml DMSO-d₆
1-(5-nitrofurfurylideneamino)-2,4-imidazolidinedione

    Assign.     Shift(ppm)

      A            11.5
      B             7.801
      C             7.787
      D             7.145
      E             4.368

     Hz     ppm     Int.

   4593.63  11.495    157
   3117.86   7.802    638
   3114.38   7.793    503
   3110.35   7.783    484
   2857.58   7.151    441
   2853.73   7.141    420
   1745.76   4.369   1000

in DMSO-d6