Determine the necessary mass, volume, or concentration for preparing a solution.
≥98%(HPLC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Normal 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504771342 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504771342 |
| Canonical Smiles | C1=CNC(=O)C(=C1O)[N+](=O)[O-] |
| IUPAC Name | 4-hydroxy-3-nitro-1H-pyridin-2-one |
| InChIKey | BKYGVGWYPFVKTK-UHFFFAOYSA-N |
| INCHI | 1S/C5H4N2O4/c8-3-1-2-6-5(9)4(3)7(10)11/h1-2H,(H2,6,8,9) |
| Isomeric SMILES | C1=CNC(=O)C(=C1O)[N+](=O)[O-] |
| Molecular Weight | 156.1 |
| Beilstein | 21(4)2061 |
| Reaxy-Rn | 3606220 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3606220&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 | Organic 1,3-dipolar compounds |
| Class | Allyl-type 1,3-dipolar organic compounds |
| Subclass | Organic nitro compounds |
| Intermediate Tree Nodes | C-nitro compounds |
| Direct Parent | Nitroaromatic compounds |
| Alternative Parents | Hydroxypyridines Dihydropyridines Vinylogous amides Vinylogous acids Heteroaromatic compounds Cyclic ketones Propargyl-type 1,3-dipolar organic compounds Organic oxoazanium compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Nitroaromatic compound - Dihydropyridine - Hydroxypyridine - Hydropyridine - Pyridine - Vinylogous acid - Vinylogous amide - Heteroaromatic compound - Cyclic ketone - Azacycle - Organoheterocyclic compound - Propargyl-type 1,3-dipolar organic compound - Organic oxoazanium - Organic nitrogen compound - Organopnictogen compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as nitroaromatic compounds. These are c-nitro compounds where the nitro group is C-substituted with an aromatic group. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Mar 10, 2026 | D154395 | |
| Certificate of Analysis | Mar 10, 2026 | D154395 | |
| Certificate of Analysis | Mar 10, 2026 | D154395 | |
| Certificate of Analysis | Mar 10, 2026 | D154395 | |
| Certificate of Analysis | Mar 10, 2026 | D154395 | |
| Certificate of Analysis | Feb 08, 2025 | D154395 | |
| Certificate of Analysis | Feb 14, 2022 | D154395 | |
| Certificate of Analysis | Feb 14, 2022 | D154395 |
| Melt Point(°C) | 264°C(lit.) |
|---|---|
| Molecular Weight | 156.100 g/mol |
| XLogP3 | 0.200 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 156.017 Da |
| Monoisotopic Mass | 156.017 Da |
| Topological Polar Surface Area | 95.200 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 273.000 |
| 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 |