Mass
MS-KW-0011
tetramethyl 2,3,3',4'-biphenyltetracarboxylate
C20H18O8 (Mass of molecular ion: 386)
Source Temperature: 180 °C
Sample Temperature: 160 °C
Direct, 75 eV
15.0 3.3
28.0 2.3
29.0 1.4
31.0 1.0
44.0 1.2
45.0 2.1
59.0 4.7
75.0 1.7
76.0 1.0
89.5 1.3
103.5 2.8
119.0 1.2
132.5 1.9
133.0 1.5
138.0 2.4
139.0 2.3
148.0 1.0
149.0 1.1
150.0 3.7
151.0 6.2
152.0 5.1
153.0 1.7
154.0 1.6
162.0 29.1
165.0 1.9
166.0 1.6
177.0 3.2
178.0 1.5
179.0 3.7
180.0 3.1
181.0 1.2
193.0 1.0
194.0 2.1
195.0 1.0
205.0 5.4
206.0 1.9
207.0 3.9
208.0 1.3
209.0 2.4
210.0 1.3
221.0 1.8
222.0 1.6
223.0 1.2
235.0 1.1
237.0 5.9
238.0 5.9
239.0 1.4
251.0 1.5
252.0 1.0
253.0 1.9
265.0 4.8
266.0 1.9
267.0 1.0
268.0 1.8
281.0 1.1
295.0 3.4
296.0 1.9
297.0 1.4
309.0 10.9
310.0 4.0
311.0 5.4
312.0 1.2
323.0 31.4
324.0 9.1
325.0 2.3
327.0 4.3
328.0 1.0
339.0 1.8
355.0 100.0
356.0 21.4
357.0 3.7
386.0 32.4
387.0 7.2
388.0 1.3