≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
2-MercaptopyridineN-oxide forms complexes on reaction with palladium chloride. It inhibits NADH-fumarate reductase purified fromTrypanosoma cruzi. It is precursor toO-acyl thiohydroxamates. It ligates to metals to form biologically active complexes.Precursor toO-acyl thiohydroxamates. Ligates to metals to form biologically active complexes.2-MercaptopyridineN-oxide was used to investigate the mechanism of photodegradation of mercaptopyridine-N-oxide biocides. It was used in ratiometric fluorescence imaging of intracellular zinc ionsin mammalian cultures.
| Canonical Smiles | C1=CC(=S)N(C=C1)O |
|---|---|
| IUPAC Name | 1-hydroxypyridine-2-thione |
| InChIKey | YBBJKCMMCRQZMA-UHFFFAOYSA-N |
| INCHI | 1S/C5H5NOS/c7-6-4-2-1-3-5(6)8/h1-4,7H |
| Isomeric SMILES | C1=CC(=S)N(C=C1)O |
| WGK Germany | 3 |
| RTECS | UT8999000 |
| UN Number | UN 3335 |
| Packing Group | III |
| Molecular Weight | 127.16 |
| Beilstein | 109936 |
| Reaxy-Rn | 109936 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=109936&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Pyridines and derivatives |
| Subclass | Hydropyridines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Dihydropyridines |
| Alternative Parents | Thiolactams Heteroaromatic compounds Azacyclic compounds Organosulfur compounds Organopnictogen compounds Organonitrogen compounds Organic oxygen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Dihydropyridine - Heteroaromatic compound - Thiolactam - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organosulfur compound - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as dihydropyridines. These are compounds containing a dihydropyridine moiety, which is a semi-saturated pyridine derivative with two double bonds. |
| External Descriptors | monohydroxypyridine - pyridinethione |
| Melt Point(°C) | 70.0 - 73.0 °C |
|---|---|
| Molecular Weight | 127.170 g/mol |
| XLogP3 | 0.500 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 127.009 Da |
| Monoisotopic Mass | 127.009 Da |
| Topological Polar Surface Area | 55.600 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 162.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Ya-Wei Geng, Tong Guo, Xiao-Qin Wang, Tian Han. (2025) Enhanced Magnetocaloric Effect and Single-Molecule Magnet Behavior in a Series of Sulfur-Containing Ligand-Based Ln9 Clusters (Ln = Gd, Tb, and Dy). Magnetochemistry, 11 (9): (70). [PMID:] [10.3390/magnetochemistry11090070] |
