≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads 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.
| Canonical Smiles | C1=CC=[N+](C=C1)[O-] |
|---|---|
| IUPAC Name | 1-oxidopyridin-1-ium |
| InChIKey | ILVXOBCQQYKLDS-UHFFFAOYSA-N |
| INCHI | 1S/C5H5NO/c7-6-4-2-1-3-5-6/h1-5H |
| Isomeric SMILES | C1=CC=[N+](C=C1)[O-] |
| WGK Germany | 3 |
| RTECS | UT6410000 |
| Molecular Weight | 95.1 |
| Beilstein | 105257 |
| Reaxy-Rn | 105257 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=105257&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 | Pyridinium derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridinium derivatives |
| Alternative Parents | Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyridinium - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organonitrogen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyridinium derivatives. These are compounds containing a pyridinium ring, which is the cationic form of pyridine. |
| External Descriptors | pyridine N-oxides |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 L2509570 | Certificate of Analysis | Dec 18, 2025 | P119965 |
| D2622049 | Certificate of Analysis | Sep 23, 2025 | P119965 |
| I2511506 | Certificate of Analysis | Sep 23, 2025 | P119965 |
| I2511508 | Certificate of Analysis | Sep 23, 2025 | P119965 |
| I2511510 | Certificate of Analysis | Sep 23, 2025 | P119965 |
| I2511513 | Certificate of Analysis | Sep 23, 2025 | P119965 |
| G2315036 | Certificate of Analysis | Jul 18, 2023 | P119965 |
| G2130275 | Certificate of Analysis | May 10, 2023 | P119965 |
| G2130276 | Certificate of Analysis | May 10, 2023 | P119965 |
| G2130278 | Certificate of Analysis | May 10, 2023 | P119965 |
| D23031288 | Certificate of Analysis | Apr 12, 2023 | P119965 |
| D23031302 | Certificate of Analysis | Apr 12, 2023 | P119965 |
| L2420105 | Certificate of Analysis | Apr 12, 2023 | P119965 |
| Sensitivity | Hygroscopic |
|---|---|
| Flash Point(°F) | 289.4 °F |
| Flash Point(°C) | 143 °C |
| Boil Point(°C) | 270°C |
| Melt Point(°C) | 62°C |
| Molecular Weight | 95.100 g/mol |
| XLogP3 | -1.200 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 95.0371 Da |
| Monoisotopic Mass | 95.0371 Da |
| Topological Polar Surface Area | 25.500 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 50.000 |
| 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. Bowen Zheng, Haoran Zhang, Qianhe Liu, Tianyu Zhang, Zibo Yu, Jie Li, Hong Sun. (2023) Investigating the Role of an Anionic Surfactant in Optimizing Lithium–Air Batteries Based on Dissipative Particle Dynamics and Electrochemical Experiments. Journal of Physical Chemistry C, [PMID:] [10.1021/acs.jpcc.3c03932] |
