Back to Search
4-Amino-3-Nitropyridine
CAS: 1681-37-4 | C5H5N3O2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
1681-37-4
Molecular Formula:
C5H5N3O2
Molecular Mass:
139.11 g/mol
Names and Synonyms:
4-Amino-3-Nitropyridine
4-Pyridinamine, 3-nitro-
Pyridine, 4-amino-3-nitro-
3-Nitro-4-pyridinamine
4-Amino-3-nitropyridine
3-Nitro-4-aminopyridine
Identifiers:
SMILES:
N=c1cc[nH]cc1[N+](=O)[O-]
InChI:
InChI=1S/C5H5N3O2/c6-4-1-2-7-3-5(4)8(9)10/h1-3H,(H2,6,7)
Key Properties
Melting Point
203 °C
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 | 139.11 g/mol | CAS Common Chemistry |
| 139.11399999999998 g/mol | RDKit | |
| 139.0381764 g/mol | RDKit | |
| Canonical SMILES | O=N(=O)C=1C=NC=CC1N | CAS Common Chemistry |
| InChI | InChI=1S/C5H5N3O2/c6-4-1-2-7-3-5(4)8(9)10/h1-3H,(H2,6,7) | CAS Common Chemistry |
| InChI Key | InChIKey=IUPPEELMBOPLDJ-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 203 °C | CAS Common Chemistry |
| Name | 4-Amino-3-nitropyridine | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 3 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 1 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 82.78 Ų | RDKit |
| LogP | 0.40237 | RDKit |
| Molar Refractivity | 33.3018 | RDKit |