Product NameIndole-2-carboxylic acid
CAS1477-50-5
Molecular FormulaC9H7NO2
Molecular Weight161.16
InChIInChI=1S/C9H7NO2/c11-9(12)8-5-6-3-1-2-4-7(6)10-8/h1-5,10H,(H,11,12)
InChIKey HCUARRIEZVDMPT-UHFFFAOYSA-N
SmilesN1C2=C(C=CC=C2)C=C1C(O)=O

Mass
MS-NW-7650 2-indolecarboxylic acid C9H7NO2 (Mass of molecular ion: 161)
Source Temperature: 180 °C Sample Temperature: 140 °C Direct, 75 eV
27.0 1.0
28.0 1.5
37.0 1.9
38.0 3.8
39.0 9.0
40.0 1.0
44.0 1.0
45.0 1.8
50.0 4.5
51.0 4.5
52.0 2.0
57.5 4.4
58.0 2.8
61.0 2.7
62.0 9.6
63.0 15.5
64.0 4.1
65.0 2.0
71.5 5.6
72.0 1.2
74.0 1.4
75.0 1.5
76.0 1.6
77.0 3.3
78.0 1.0
80.5 2.5
85.0 1.0
86.0 2.0
87.0 4.2
88.0 11.4
89.0 28.0
90.0 4.4
104.0 1.0
114.0 12.0
115.0 88.3
116.0 11.8
117.0 2.5
132.0 2.0
142.0 1.2
143.0 100.0
144.0 12.3
145.0 1.0
160.0 1.5
161.0 69.1
162.0 7.4
90 MHz in DMSO-d6
400 MHz in DMSO-d6

| 1H NMR | 89.56 MHz |
| C9 H7 N O2 | 0.043 g : 0.5 ml DMSO-d6 |
| 2-indolecarboxylic acid | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
1054.70 11.777 268
690.77 7.713 284
683.68 7.634 366
683.17 7.629 384
682.31 7.619 367
678.47 7.576 67
678.04 7.571 68
675.99 7.548 210
675.13 7.539 242
674.54 7.532 233
671.37 7.497 63
667.87 7.458 425
666.50 7.442 478
658.22 7.350 260
656.76 7.334 316
654.03 7.303 68
653.52 7.298 72
651.46 7.275 496
650.01 7.258 424
648.65 7.243 167
646.59 7.220 69
645.83 7.212 66
643.52 7.186 361
640.95 7.157 1000
640.10 7.148 786
639.33 7.139 801
638.90 7.134 813
637.96 7.124 642
634.20 7.082 284
633.18 7.070 382
631.81 7.055 387
629.33 7.027 102
628.48 7.018 87
626.43 6.995 204
625.06 6.980 174

| 1H NMR | 399.65 MHz |
| C9 H7 N O2 | 0.037 g : 0.5 ml DMSO-d6 |
| 2-indolecarboxylic acid | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
5189.53 12.986 290 4716.22 11.801 516 3068.72 7.679 659 3060.81 7.659 710 2994.35 7.493 642 2993.71 7.491 608 2986.23 7.473 782 2985.38 7.470 737 2910.16 7.282 412 2909.09 7.280 401 2903.11 7.265 558 2902.04 7.262 710 2900.76 7.259 385 2894.78 7.244 443 2893.71 7.241 402 2854.39 7.143 964 2853.54 7.141 979 2852.26 7.137 1000 2851.61 7.136 850 2837.72 7.101 498 2836.87 7.099 481 2830.89 7.084 522 2829.82 7.081 789 2828.96 7.079 510 2822.77 7.064 417 2821.91 7.061 372
in DMSO-d6

KBr disc

nujol mull


Indole-2-carboxylic acid(1477-50-5) Raman Atlas of Related Products
HomePage | Member Companies | Advertising | Contact us | Previous WebSite | MSDS | CAS Index | CAS DataBase
Copyright © 2017 ChemicalBook All rights reserved.