5-METHYLINDOLE-2-CARBOXYLIC ACID(10241-97-1) 1H NMR
Molecular FormulaC10H9NO2
Molecular Weight175.18
InChIInChI=1S/C10H9NO2/c1-6-2-3-8-7(4-6)5-9(11-8)10(12)13/h2-5,11H,1H3,(H,12,13)
InChIKey DAITVOCMWPNFTL-UHFFFAOYSA-N
SmilesN1C2=C(C=C(C)C=C2)C=C1C(O)=O
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![](https://www.chemicalbook.com/Spectrum/10241-97-1_MS.gif)
Mass
MS-NW-6974
5-methyl-2-indolecarboxylic acid
C10H9NO2 (Mass of molecular ion: 175)
Source Temperature: 180 °C
Sample Temperature: 120 °C
Direct, 75 eV
18.0 2.8
27.0 2.3
28.0 2.1
38.0 1.8
39.0 3.9
45.0 1.6
50.0 5.2
51.0 11.1
52.0 4.5
53.0 1.3
62.0 2.7
63.0 4.8
64.0 3.2
64.5 3.2
65.0 2.7
74.0 2.6
75.0 4.5
76.0 4.8
77.0 13.2
78.0 5.9
78.5 4.5
79.0 1.2
87.0 1.1
87.5 1.5
88.0 1.2
89.0 1.3
91.0 1.8
100.0 1.3
101.0 7.1
102.0 16.8
103.0 16.6
104.0 1.9
127.0 2.1
128.0 14.4
129.0 41.1
130.0 10.7
131.0 2.9
146.0 1.4
156.0 7.4
157.0 100.0
158.0 12.7
159.0 1.0
174.0 1.7
175.0 85.2
176.0 9.8
177.0 1.0