≥98% 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 | 504762310 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504762310 |
| Sonrisas canónicas | C1=CNC=C(C1=O)S(=O)(=O)O |
| IUPAC Name | 4-oxo-1H-pyridine-3-sulfonic acid |
| InChIKey | AZRCSTMIVMQIPR-UHFFFAOYSA-N |
| INCHI | 1S/C5H5NO4S/c7-4-1-2-6-3-5(4)11(8,9)10/h1-3H,(H,6,7)(H,8,9,10) |
| Isómeros SMILES | C1=CNC=C(C1=O)S(=O)(=O)O |
| Peso molecular | 175.16 |
| Beilstein | 22(2)313 |
| Reaxy-Rn | 19100604 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=19100604&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 |
| Clase | Pyridines and derivatives |
| Subclass | Hydropyridines |
| Intermediate Tree Nodes | Dihydropyridines |
| Direct Parent | Dihydropyridinecarboxylic acids and derivatives |
| Alternative Parents | Arylsulfonic acids and derivatives Vinylogous amides Sulfonyls Organosulfonic acids Heteroaromatic compounds Cyclic ketones Azacyclic compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Arylsulfonic acid or derivatives - Dihydropyridinecarboxylic acid derivative - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Vinylogous amide - Heteroaromatic compound - Cyclic ketone - Azacycle - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Organooxygen compound - Organosulfur compound - Hydrocarbon derivative - Organic oxide - Aromatic heteromonocyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as dihydropyridinecarboxylic acids and derivatives. These are compounds containing a dihydropyridine moiety bearing a carboxylic acid 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 | Fecha | Articulo |
|---|---|---|---|
 E2008129 | Certificate of Analysis | Sep 16, 2025 | H137252 |
| B2511283 | Certificate of Analysis | Jul 01, 2024 | H137252 |
| B2524407 | Certificate of Analysis | Jul 01, 2024 | H137252 |
| G2320049 | Certificate of Analysis | Apr 13, 2022 | H137252 |
| G2320053 | Certificate of Analysis | Apr 13, 2022 | H137252 |
| G2320055 | Certificate of Analysis | Apr 13, 2022 | H137252 |
| Peso molecular | 175.160 g/mol |
|---|---|
| XLogP3 | -0.400 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 1 |
| Exact Mass | 174.994 Da |
| Monoisotopic Mass | 174.994 Da |
| Topological Polar Surface Area | 91.900 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 332.000 |
| 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 |
