2-Thiophenecarboxylic acid(527-72-0) IR1
Molecular FormulaC5H4O2S
Molecular Weight128.15
InChIInChI=1S/C5H4O2S/c6-5(7)4-2-1-3-8-4/h1-3H,(H,6,7)
InChIKey QERYCTSHXKAMIS-UHFFFAOYSA-N
SmilesC1(C(O)=O)SC=CC=1
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Mass
MS-NW-1396
2-thiophenecarboxylic acid
C5H4O2S (Mass of molecular ion: 128)
Source Temperature: 260 °C
Sample Temperature: 180 °C
Reservoir, 75 eV
18.0 1.5
26.0 1.2
28.0 1.5
37.0 3.9
38.0 6.2
39.0 38.7
40.0 1.6
41.0 1.0
44.0 2.4
45.0 15.5
49.0 1.6
50.0 4.2
51.0 1.1
53.0 1.8
57.0 9.5
58.0 6.1
69.0 1.7
81.0 3.4
82.0 3.9
83.0 10.2
84.0 1.7
100.0 2.0
111.0 100.0
112.0 6.2
113.0 4.8
128.0 86.3
129.0 5.5
130.0 4.4