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5-Hydroxyindole-2-Carboxylic Acid
CAS: 21598-06-1 | C9H7NO3
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
21598-06-1
Molecular Formula:
C9H7NO3
Molecular Mass:
177.16 g/mol
Names and Synonyms:
5-Hydroxyindole-2-Carboxylic Acid
1H-Indole-2-carboxylic acid, 5-hydroxy-
Indole-2-carboxylic acid, 5-hydroxy-
5-Hydroxy-1H-indole-2-carboxylic acid
5-Hydroxyindole-2-carboxylic acid
NSC 117338
Identifiers:
SMILES:
O=C(O)c1cc2cc(O)ccc2[nH]1
InChI:
InChI=1S/C9H7NO3/c11-6-1-2-7-5(3-6)4-8(10-7)9(12)13/h1-4,10-11H,(H,12,13)
Key Properties
Melting Point
246 °C (decomp)
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 177.16 g/mol | CAS Common Chemistry |
| 177.159 g/mol | RDKit | |
| 177.042593084 g/mol | RDKit | |
| Canonical SMILES | O=C(O)C1=CC=2C=C(O)C=CC2N1 | CAS Common Chemistry |
| InChI | InChI=1S/C9H7NO3/c11-6-1-2-7-5(3-6)4-8(10-7)9(12)13/h1-4,10-11H,(H,12,13) | CAS Common Chemistry |
| InChI Key | InChIKey=BIMHWDJKNOMNLD-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 246 °C (decomp) | CAS Common Chemistry |
| Name | 5-Hydroxyindole-2-carboxylic acid | CAS Common Chemistry |
| Heavy Atom Count | 13 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 73.32 Ų | RDKit |
| LogP | 1.5716999999999999 | RDKit |
| Molar Refractivity | 46.92280000000001 | RDKit |
