Product Name5-METHYLINDOLE-2-CARBOXYLIC ACID
CAS10241-97-1
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

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
400 MHz in DMSO-d6

| 1H NMR | 399.65 MHz |
| C10 H9 N O2 | 0.033 g : 0.5 ml DMSO-d6 |
| 5-methyl-2-indolecarboxylic acid | |
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Assign. Shift(ppm) |
Hz ppm Int.
4658.47 11.657 130
2961.44 7.411 244
2942.39 7.363 173
2933.96 7.342 203
2833.77 7.091 155
2832.30 7.087 143
2825.34 7.070 133
2823.69 7.066 125
2806.48 7.023 233
2804.46 7.018 226
946.24 2.368 1000
in DMSO-d6

KBr disc

nujol mull

5-METHYLINDOLE-2-CARBOXYLIC ACID(10241-97-1) IR2 Atlas of Related Products