
Mass
MS-IW-6907
2,4,7(1H,3H,8H)-pteridinetrione
C6H4N4O3 (Mass of molecular ion: 180)
Source Temperature: 200 °C
Sample Temperature: 260 °C
Direct, 75 eV
17.0 1.1
18.0 5.6
26.0 3.0
27.0 19.8
28.0 47.3
29.0 2.0
38.0 3.4
39.0 5.7
40.0 3.7
41.0 2.3
42.0 3.5
43.0 6.2
44.0 8.1
52.0 1.6
53.0 3.0
54.0 12.2
55.0 1.0
65.0 2.3
66.0 3.5
67.0 10.0
68.0 21.3
69.0 7.0
70.0 3.2
81.0 9.8
82.0 1.0
108.0 1.0
109.0 28.7
110.0 2.6
136.0 1.3
137.0 40.7
138.0 3.6
152.0 2.7
180.0 100.0
181.0 9.1
182.0 1.2