Mass
MS-IW-0932
dimethyl 3-methyl-2-pentenedioate
C8H12O4 (Mass of molecular ion: 172)
Source Temperature: 230 °C
Sample Temperature: 150 °C
Reservoir, 75 eV
15.0 20.3
27.0 8.4
28.0 4.5
29.0 4.2
31.0 1.6
38.0 1.5
39.0 14.0
40.0 1.5
41.0 10.2
42.0 3.7
43.0 5.9
45.0 6.5
50.0 1.3
51.0 2.5
52.0 3.9
53.0 23.6
54.0 7.4
55.0 22.4
56.0 1.3
57.0 1.4
59.0 25.5
67.0 3.8
68.0 1.3
69.0 5.7
71.0 3.8
80.0 1.6
81.0 23.8
82.0 13.6
83.0 5.3
85.0 6.0
89.0 1.4
97.0 30.6
98.0 2.9
99.0 3.5
108.0 12.5
109.0 27.0
110.0 1.9
111.0 2.3
112.0 87.8
113.0 34.0
114.0 2.7
131.0 1.4
140.0 100.0
141.0 46.2
142.0 4.2