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Molecule
1H-Benzimidazole-5-Carboxylic Acid
CAS: 15788-16-6 · C8H6N2O2
2D Structure
3D Structure
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Basic Information
- CAS Registry Number
- 15788-16-6
- Molecular Formula
- C8H6N2O2
- Molecular Mass
- 162.15 g/mol
Identifiers
CAS Registry Number
15788-16-6
SMILES
O=C(O)c1ccc2nc[nH]c2c1
InChI Key
COYPLDIXZODDDL-UHFFFAOYSA-N
InChI
InChI=1S/C8H6N2O2/c11-8(12)5-1-2-6-7(3-5)10-4-9-6/h1-4H,(H,9,10)(H,11,12)
Names and Synonyms
- 1H-Benzimidazole-5-Carboxylic Acid Synonym
- 1H-Benzimidazole-6-carboxylic acid Synonym
- 5-Carboxybenzimidazole Synonym
- 3H-Benzimidazole-5-carboxylic acid Synonym
- Benzimidazole-6-carboxylic acid Synonym
- 3H-Benzo[d]imidazole-5-carboxylic acid Synonym
- 1H-7-Benzo[d]imidazole-6-carboxylic acid Synonym
- 1H-1,3-Benzodiazole-5-carboxylic acid Synonym
- 1H-1,3-Benzodiazole-6-carboxylic acid Synonym
- 5-Benzimidazolecarboxylic acid Synonym
- 1H-Benzimidazole-5-carboxylic acid Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 162.15 g/mol | CAS Common Chemistry |
| 162.148 g/mol | RDKit | |
| 163.156 g/mol | chempirical lib | |
| Canonical SMILES | O=C(O)C=1C=CC=2N=CNC2C1 | CAS Common Chemistry |
| InChI | InChI=1S/C8H6N2O2/c11-8(12)5-1-2-6-7(3-5)10-4-9-6/h1-4H,(H,9,10)(H,11,12) | CAS Common Chemistry |
| InChI Key | InChIKey=COYPLDIXZODDDL-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 325 °C (decomp) | CAS Common Chemistry |
| Name | 1H-Benzimidazole-5-carboxylic acid | CAS Common Chemistry |
| Heavy Atom Count | 12 | RDKit |
| Hydrogen Bond Acceptors | 2 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 65.97999999999999 Ų | RDKit |
| 65.98 Ų | RDKit | |
| 61.66 Ų | chempirical lib | |
| LogP | 1.2610999999999999 | RDKit |
| 1.2611 | RDKit | |
| Molar Refractivity | 43.05300000000001 cm³/mol | RDKit |
| Ring Count | 2 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 162.042927432 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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1
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200 ppm
180
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| Shift (ppm) | DEPT | Assignment |
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Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 162.15 g/mol. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C8H6N2O2.
