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Molecule
5-Methyl-2-Pyrazinecarboxylic Acid
CAS: 5521-55-1 · C6H6N2O2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 5521-55-1
- Molecular Formula
- C6H6N2O2
- Molecular Mass
- 138.13 g/mol
Identifiers
CAS Registry Number
5521-55-1
SMILES
Cc1cnc(C(=O)O)cn1
InChI Key
RBYJWCRKFLGNDB-UHFFFAOYSA-N
InChI
InChI=1S/C6H6N2O2/c1-4-2-8-5(3-7-4)6(9)10/h2-3H,1H3,(H,9,10)
Names and Synonyms
- 5-Methyl-2-Pyrazinecarboxylic Acid Systematic Name
- 2-Pyrazinecarboxylic acid, 5-methyl- Synonym
- Pyrazinecarboxylic acid, 5-methyl- Synonym
- 5-Methyl-2-pyrazinecarboxylic acid Synonym
- 2-Methylpyrazine-5-carboxylic acid Synonym
- 5-Methyl-2-pyrazinoic acid Synonym
- 5-Methylpyrazine carboxylic acid Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 138.13 g/mol | CAS Common Chemistry |
| 138.12599999999998 g/mol | RDKit | |
| 138.126 g/mol | RDKit | |
| Canonical SMILES | O=C(O)C1=NC=C(N=C1)C | CAS Common Chemistry |
| InChI | InChI=1S/C6H6N2O2/c1-4-2-8-5(3-7-4)6(9)10/h2-3H,1H3,(H,9,10) | CAS Common Chemistry |
| InChI Key | InChIKey=RBYJWCRKFLGNDB-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 164-165 °C | CAS Common Chemistry |
| Name | 5-Methyl-2-pyrazinecarboxylic acid | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 63.08 Ų | RDKit |
| 62.02 Ų | chempirical lib | |
| LogP | 0.4832199999999999 | RDKit |
| 0.4832 | RDKit | |
| Molar Refractivity | 33.7283 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.1667 | RDKit |
| 0.17 | chempirical lib | |
| Exact Mass | 138.042927432 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
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
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40
20
0 ppm
| 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 = 138.13 g/mol. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C6H6N2O2.
