Mass
MS-IW-2520
6,7-dimethoxyphthalide
C10H10O4 (Mass of molecular ion: 194)
Source Temperature: 160 °C
Sample Temperature: 110 °C
Direct, 75 eV
15.0 1.8
29.0 1.5
37.0 1.1
38.0 2.3
39.0 4.9
41.0 1.6
49.0 1.1
50.0 6.9
51.0 9.1
52.0 3.8
53.0 4.6
55.0 2.0
61.0 1.8
62.0 4.0
63.0 8.6
64.0 6.0
65.0 6.5
66.0 2.9
67.0 1.8
74.0 2.5
75.0 3.8
76.0 5.8
77.0 17.4
78.0 10.2
79.0 7.6
80.0 3.6
89.0 4.4
90.0 9.6
91.0 5.4
92.0 8.9
93.0 5.9
94.0 2.0
95.0 6.9
104.0 2.6
105.0 8.6
106.0 6.1
107.0 10.4
108.0 3.6
109.0 2.6
116.0 1.0
118.0 21.4
119.0 11.7
120.0 18.6
121.0 19.2
122.0 18.8
123.0 4.9
133.0 4.3
134.0 11.0
135.0 9.8
136.0 7.6
137.0 1.2
147.0 48.4
148.0 14.7
149.0 9.9
150.0 9.7
151.0 6.4
161.0 4.2
162.0 1.2
163.0 12.4
164.0 1.9
165.0 87.0
166.0 9.5
167.0 1.0
175.0 1.2
176.0 47.2
177.0 6.5
178.0 1.0
179.0 4.0
191.0 1.1
193.0 12.2
194.0 100.0
195.0 11.3
196.0 1.4