2-MERCAPTO-5-METHOXYBENZIMIDAZOLE(37052-78-1) IR1

Product Name2-MERCAPTO-5-METHOXYBENZIMIDAZOLE

CAS 37052-78-1

Molecular FormulaC8H8N2OS

Molecular Weight180.23

Request For Quotation

Mass

MS-IW-9095          
5-methoxy-2-benzimidazolethiol
C8H8N2OS            (Mass of molecular ion:    180)

   Source Temperature: 170 °C
   Sample Temperature: 180 °C
   Direct, 75 eV

      27.0       1.1
      28.0       3.1
      38.0       1.3
      39.0       2.4
      45.0       2.5
      50.0       2.1
      51.0       5.1
      52.0       6.2
      53.0       2.7
      62.0       1.6
      63.0       3.8
      64.0       1.7
      65.0       2.1
      66.0       2.1
      68.0       1.1
      70.0       1.4
      76.0       1.6
      77.0       2.1
      78.0       4.1
      79.0       2.9
      80.0       3.6
      83.0       1.7
      90.0       8.7
      91.0       1.0
      92.0       1.3
      93.0       6.4
     105.0       3.1
     106.0       2.9
     109.0       2.1
     110.0       1.8
     122.0       1.2
     133.0       2.9
     136.0       1.0
     137.0      26.8
     138.0       2.4
     139.0       1.4
     148.0       3.1
     149.0       2.2
     152.0       8.4
     165.0      78.8
     166.0       7.4
     167.0       4.1
     179.0       7.5
     180.0     100.0
     181.0      10.9
     182.0       5.2

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₈ H₈ N₂ O S	0.040 g : 0.5 ml DMSO-d₆
5-methoxy-2-benzimidazolethiol

    Assign.     Shift(ppm)

      A     *1     12.5
      B     *1     12.4
      C             7.066
      D             6.749
      E             6.710
      F             3.764

     Hz     ppm     Int.

   4979.27  12.460     89
   4964.09  12.422     85
   2828.75   7.079    143
   2820.20   7.057    163
   2702.89   6.764    105
   2700.33   6.757    133
   2694.13   6.742     87
   2691.78   6.736    130
   2683.02   6.714    179
   2680.67   6.708    137
   1504.55   3.765   1000

in DMSO-d6