Back to Search
Molecule
4-Mercaptopyridine
CAS: 4556-23-4 · C5H5NS
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 4556-23-4
- Molecular Formula
- C5H5NS
- Molecular Mass
- 111.17 g/mol
Identifiers
CAS Registry Number
4556-23-4
SMILES
S=c1cc[nH]cc1
InChI Key
FHTDDANQIMVWKZ-UHFFFAOYSA-N
InChI
InChI=1S/C5H5NS/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7)
Names and Synonyms
- 4-Mercaptopyridine Systematic Name
- 4-Pyridinethiol Synonym
- 4-Mercaptopyridine Synonym
- 4-Thiopyridine Synonym
- 4-Sulfanylpyridine Synonym
- NSC 76036 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 111.17 g/mol | CAS Common Chemistry |
| 111.16899999999998 g/mol | RDKit | |
| 111.169 g/mol | RDKit | |
| 111.162 g/mol | chempirical lib | |
| Canonical SMILES | SC=1C=CN=CC1 | CAS Common Chemistry |
| InChI | InChI=1S/C5H5NS/c7-5-1-3-6-4-2-5/h1-4H,(H,6,7) | CAS Common Chemistry |
| InChI Key | InChIKey=FHTDDANQIMVWKZ-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 177 °C (decomp) @ Solvent: Benzene | CAS Common Chemistry |
| Name | 4-Mercaptopyridine | CAS Common Chemistry |
| Heavy Atom Count | 7 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 0 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 15.79 Ų | RDKit |
| LogP | 1.74419 | RDKit |
| 1.7442 | RDKit | |
| Molar Refractivity | 31.626699999999996 cm³/mol | RDKit |
| Ring Count | 1 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.0 | RDKit |
| Exact Mass | 111.01427016 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
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.
External Resources
Convert
Quick conversion
MW = 111.17 g/mol. Edit any field — others recompute live.
Related
Related molecules
Other compounds with formula C5H5NS.
