Product NameBenzimidazole
CAS51-17-2
Molecular FormulaC7H6N2
Molecular Weight118.14
InChIInChI=1S/C7H6N2/c1-2-4-7-6(3-1)8-5-9-7/h1-5H,(H,8,9)
InChIKey HYZJCKYKOHLVJF-UHFFFAOYSA-N
SmilesC1NC2=CC=CC=C2N=1

Mass
MS-NW-0231 benzimidazole C7H6N2 (Mass of molecular ion: 118)
Source Temperature: 190 °C Sample Temperature: 0 °C Direct, 75 eV
26.0 1.1
28.0 5.6
37.0 6.0
38.0 7.4
39.0 7.6
40.0 1.5
41.0 2.7
50.0 3.3
51.0 2.7
52.0 8.1
59.0 1.9
61.0 3.9
62.0 6.3
63.0 18.3
64.0 15.2
65.0 4.4
87.0 1.1
88.0 1.1
90.0 10.1
91.0 37.5
92.0 3.1
117.0 3.5
118.0 100.0
119.0 8.5
90 MHz in DMSO-d6

| 1H NMR | 89.56 MHz |
| C7 H6 N2 | 0.044 g : 0.5 ml DMSO-d6 |
| benzimidazole | |
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Assign. Shift(ppm) |
Hz ppm Int.
1117.25 12.475 42
737.51 8.235 1000
733.41 8.190 29
691.46 7.721 31
690.17 7.707 47
687.01 7.671 401
683.76 7.635 399
681.12 7.606 396
677.78 7.568 640
674.37 7.530 112
653.09 7.293 121
649.16 7.249 817
646.00 7.214 538
643.18 7.182 558
639.93 7.146 530
636.60 7.109 48
in DMSO-d6

KBr disc

nujol mull

4880 A,200 M,powder

Benzimidazole(51-17-2) MS Atlas of Related Products
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