2-Methylquinoxaline(7251-61-8) Raman
Molecular FormulaC9H8N2
Molecular Weight144.17
InChIInChI=1S/C9H8N2/c1-7-6-10-8-4-2-3-5-9(8)11-7/h2-6H,1H3
InChIKey ALHUXMDEZNLFTA-UHFFFAOYSA-N
SmilesN1C2C(=CC=CC=2)N=CC=1C
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![](https://www.chemicalbook.com/Spectrum/7251-61-8_MS.gif)
Mass
MS-NW-0151
2-methylquinoxaline
C9H8N2 (Mass of molecular ion: 144)
Source Temperature: 220 °C
Sample Temperature: 75 °C
Reservoir, 75 eV
18.0 1.8
26.0 1.4
27.0 2.0
28.0 2.5
37.0 2.2
38.0 3.8
39.0 8.5
40.0 1.1
42.0 1.5
50.0 21.4
51.0 6.4
52.0 3.1
58.5 5.5
61.0 1.0
62.0 1.8
63.0 4.1
64.0 2.8
72.0 4.2
74.0 5.2
75.0 10.2
76.0 37.7
77.0 20.9
78.0 2.0
89.0 3.8
90.0 6.8
91.0 1.1
102.0 5.3
103.0 7.6
116.0 4.3
117.0 80.4
118.0 7.9
129.0 1.1
143.0 2.6
144.0 100.0
145.0 10.9
90 MHz in CDCl3
400 MHz in CDCl3
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![](https://www.chemicalbook.com/Spectrum/7251-61-8_1HNMR.gif)
1H NMR |
89.56 MHz |
C9 H8 N2
|
0.022 g : 0.5 ml CDCl3
|
2-methylquinoxaline
|
![ChemicalStructure](Spectrum/7251-61-8_1HNMR_2_0.jpg) |
Assign. Shift(ppm)
A 8.74
B 8.18 to 7.88
C 7.88 to 7.55
D 2.775
|
Hz ppm Int.
782.75 8.740 250
728.13 8.131 47
725.69 8.103 33
723.19 8.075 87
721.38 8.055 57
718.94 8.028 108
715.88 7.994 55
713.94 7.972 97
700.00 7.816 36
695.94 7.771 131
694.88 7.759 119
693.25 7.741 81
690.75 7.713 94
690.06 7.706 86
687.81 7.680 63
685.56 7.655 99
248.56 2.776 1000
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![](https://www.chemicalbook.com/Spectrum/7251-61-8_1HNMR_2.jpg)
1H NMR |
399.65 MHz |
C9 H8 N2
|
0.022 g : 0.5 ml CDCl3
|
2-methylquinoxaline
|
![ChemicalStructure](Spectrum/7251-61-8_1HNMR_2_0.jpg) |
Assign. Shift(ppm)
A 8.749
B *1 8.076
C *1 8.020
D *2 7.74
E *2 7.72
F 2.781
|
Hz ppm Int.
3496.58 8.750 249
3232.42 8.089 65
3231.08 8.085 55
3230.22 8.083 51
3224.49 8.069 92
3222.66 8.064 75
3210.94 8.035 64
3210.45 8.034 62
3208.98 8.030 89
3203.13 8.015 59
3202.15 8.013 67
3201.17 8.010 78
3104.86 7.769 35
3103.15 7.765 41
3097.90 7.752 84
3096.19 7.748 76
3094.97 7.745 38
3089.97 7.732 90
3088.01 7.727 133
3086.30 7.723 89
3081.18 7.710 39
3080.08 7.707 67
3078.49 7.703 68
3073.12 7.690 33
1111.57 2.782 1000