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≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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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=CC2=C(C=CC(=C2N=C1)O)S(=O)(=O)O.O |
|---|---|
| IUPAC Name | 8-hydroxyquinoline-5-sulfonic acid;hydrate |
| InChIKey | WUXYGIQVWKDVTJ-UHFFFAOYSA-N |
| INCHI | 1S/C9H7NO4S.H2O/c11-7-3-4-8(15(12,13)14)6-2-1-5-10-9(6)7;/h1-5,11H,(H,12,13,14);1H2 |
| Isomeric SMILES | C1=CC2=C(C=CC(=C2N=C1)O)S(=O)(=O)O.O |
| RTECS | VC2570000 |
| Molecular Weight | 243.24 |
| Beilstein | 22407 |
| Reaxy-Rn | 20366664 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=20366664&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 | Quinolines and derivatives |
| Subclass | Hydroxyquinolines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Hydroxyquinolines |
| Alternative Parents | 8-hydroxyquinolines 1-sulfo,2-unsubstituted aromatic compounds 1-hydroxy-2-unsubstituted benzenoids Pyridines and derivatives Sulfonyls Organosulfonic acids Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Hydroxyquinoline - 8-hydroxyquinoline - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - 1-hydroxy-2-unsubstituted benzenoid - Pyridine - Benzenoid - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Heteroaromatic compound - Sulfonyl - Organosulfonic acid - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as hydroxyquinolines. These are compounds containing a quinoline moiety bearing a hydroxyl 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 | Jul 02, 2026 | H134907 | |
| Certificate of Analysis | Jan 21, 2025 | H134907 | |
| Certificate of Analysis | Jan 21, 2025 | H134907 | |
| Certificate of Analysis | Jan 16, 2025 | H134907 | |
| Certificate of Analysis | Sep 14, 2023 | H134907 | |
| Certificate of Analysis | Sep 14, 2023 | H134907 | |
| Certificate of Analysis | Sep 14, 2023 | H134907 | |
| Certificate of Analysis | Sep 14, 2023 | H134907 |
| Molecular Weight | 243.240 g/mol |
|---|---|
| XLogP3 | |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 1 |
| Exact Mass | 243.02 Da |
| Monoisotopic Mass | 243.02 Da |
| Topological Polar Surface Area | 96.900 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 323.000 |
| 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 | 2 |
| 1. Yusha Huang, Longcheng Gong, Chengli Xie, Wenling Qin, Min Wang, Lianzhe Hu, Zhining Xia. (2025) Anchoring biomimetic Zn site in metal–organic framework nanozyme to enhance phosphatase-like catalytic activity for discrimination of organophosphorus pesticides. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2025.160046] |