![图谱](https://www.chemicalbook.com/Spectrum/1769-24-0_MS_1.jpg)
Mass
MS2018-05481CM
2-methyl-4(3H)-quinazolinone
C9H8N2O (Mass of molecular ion: 160)
Source Temperature: 235 °C
Sample Temperature: 20 °C
Direct, 70 eV
15.0 1.8
17.0 6.8
18.0 32.0
28.0 2.9
37.0 1.7
38.0 2.9
39.0 5.6
40.0 1.3
41.0 2.7
42.0 15.5
43.0 2.1
50.0 8.1
51.0 3.0
52.0 2.0
61.0 1.2
62.0 2.9
63.0 9.9
64.0 9.4
65.0 2.2
66.0 4.0
74.0 3.1
75.0 3.6
76.0 8.3
77.0 6.1
80.0 2.2
89.0 1.4
90.0 18.0
91.0 6.6
92.0 17.5
93.0 1.3
102.0 2.4
104.0 1.3
105.0 1.4
116.0 1.1
117.0 10.1
118.0 17.6
119.0 18.2
120.0 11.1
131.0 7.6
132.0 7.2
133.0 1.2
143.0 5.3
145.0 12.5
146.0 1.2
159.0 7.9
160.0 100.0
161.0 10.3