Mass
MS2003-01634WA
3-methoxyphthalide
C9H8O3 (Mass of molecular ion: 164)
Source Temperature: 250 °C
Sample Temperature: 270 °C
Reservoir, 70 eV
18.0 1.6
29.0 1.9
38.0 1.5
39.0 2.7
44.0 2.4
50.0 13.6
51.0 17.7
52.0 1.2
62.0 1.8
63.0 2.9
64.0 1.4
65.0 2.1
74.0 6.3
75.0 5.8
76.0 15.8
77.0 28.5
78.0 2.0
89.0 10.5
90.0 21.2
91.0 21.7
92.0 11.7
104.0 9.0
105.0 33.9
106.0 2.6
119.0 16.9
120.0 36.8
121.0 3.3
133.0 100.0
134.0 8.6
135.0 2.8
136.0 18.7
137.0 1.5
163.0 13.3
164.0 2.6