5-甲基吡嗪-2-羧酸(5521-55-1)質(zhì)譜(MS)
InChI:InChI=1S/C6H6N2O2/c1-4-2-8-5(3-7-4)6(9)10/h2-3H,1H3,(H,9,10)
InChIKey: RBYJWCRKFLGNDB-UHFFFAOYSA-N
Smiles:C1(C(O)=O)=NC=C(C)N=C1
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Mass
MS-IW-2176
5-methyl-2-pyrazinecarboxylic acid
C6H6N2O2 (Mass of molecular ion: 138)
Source Temperature: 190 °C
Sample Temperature: 160 °C
Reservoir, 75 eV
15.0 4.7
17.0 1.2
18.0 5.2
25.0 1.9
26.0 7.7
27.0 5.5
28.0 17.6
29.0 1.8
37.0 8.2
38.0 15.9
39.0 53.3
40.0 30.0
41.0 13.3
42.0 84.2
43.0 7.0
44.0 3.8
45.0 8.6
46.5 1.8
50.0 1.0
51.0 8.8
52.0 20.7
53.0 28.4
54.0 3.8
55.0 3.3
63.0 2.3
64.0 7.4
65.0 4.1
66.0 34.2
67.0 21.2
68.0 6.2
69.0 4.6
70.0 23.5
71.0 1.2
81.0 1.4
82.0 1.4
83.0 1.7
92.0 11.7
93.0 30.9
94.0 100.0
95.0 6.5
96.0 1.1
97.0 3.5
108.0 1.2
109.0 1.0
111.0 5.8
120.0 12.1
121.0 2.5
138.0 89.6
139.0 6.8