Mass
MS-IW-3003
2-methylpyrido(1,2-a)pyrimidin-4-one
C9H8N2O (Mass of molecular ion: 160)
Source Temperature: 130 °C
Sample Temperature: 100 °C
Direct, 75 eV
27.0 3.6
28.0 3.0
37.0 1.6
38.0 3.8
39.0 11.1
40.0 3.3
50.0 2.7
51.0 15.8
52.0 6.7
53.0 1.4
54.0 1.2
55.0 2.6
63.0 1.5
64.0 2.7
65.0 1.8
66.0 4.3
67.0 3.3
68.0 1.0
76.0 1.3
77.0 1.6
78.0 52.0
79.0 14.9
80.0 2.5
90.0 1.0
91.0 1.4
92.0 1.0
93.0 1.3
104.0 2.2
105.0 3.5
118.0 1.5
119.0 2.1
121.0 1.6
131.0 44.7
132.0 74.6
133.0 6.9
145.0 1.8
159.0 6.9
160.0 100.0
161.0 10.7