Determine the necessary mass, volume, or concentration for preparing a solution.
≥98%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488187012 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488187012 |
| Canonical Smiles | C1=CN=CC=C1CCS(=O)(=O)O |
| IUPAC Name | 2-pyridin-4-ylethanesulfonic acid |
| InChIKey | RGIIAYDCZSXHGL-UHFFFAOYSA-N |
| INCHI | 1S/C7H9NO3S/c9-12(10,11)6-3-7-1-4-8-5-2-7/h1-2,4-5H,3,6H2,(H,9,10,11) |
| Isomeric SMILES | C1=CN=CC=C1CCS(=O)(=O)O |
| WGK Germany | 1 |
| PubChem CID | 96722 |
| Molecular Weight | 187.21 |
| Beilstein | 136690 |
| Reaxy-Rn | 136690 |
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 | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Pyridines and derivatives |
| Alternative Parents | Sulfonyls Organosulfonic acids Heteroaromatic compounds Alkanesulfonic acids Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteromonocyclic compounds |
| Substituents | Pyridine - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Alkanesulfonic acid - Heteroaromatic compound - Azacycle - Organic nitrogen compound - Organosulfur compound - Organonitrogen compound - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Organic oxygen compound - Aromatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as pyridines and derivatives. These are compounds containing a pyridine ring, which is a six-member aromatic heterocycle which consists of one nitrogen atom and five carbon atoms. |
| 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 | Jan 24, 2024 | P160784 | |
| Certificate of Analysis | Jan 24, 2024 | P160784 | |
| Certificate of Analysis | Jan 24, 2024 | P160784 | |
| Certificate of Analysis | Jan 24, 2024 | P160784 | |
| Certificate of Analysis | Jan 05, 2023 | P160784 | |
| Certificate of Analysis | Jan 05, 2023 | P160784 | |
| Certificate of Analysis | Jan 05, 2023 | P160784 | |
| Certificate of Analysis | Jan 05, 2023 | P160784 |
| Melt Point(°C) | 297-299 °C |
|---|---|
| Molecular Weight | 187.220 g/mol |
| XLogP3 | 0.000 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 187.03 Da |
| Monoisotopic Mass | 187.03 Da |
| Topological Polar Surface Area | 75.600 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 213.000 |
| 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. Ruike Gao, Rong Wang, Yu Wang, Xinyu Liu, Xianning Zheng, Xiaoyu Liu, Jiyue Ding, Shuhan Song, Zequn Ma, Qian Zhang, Zilin Meng. (2025) NaCl-templated hierarchical porous carbons enhanced removal of tetracycline and ciprofloxacin: Mechanistic insights from site energy distribution and competitive adsorption. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, [PMID:] [10.1016/j.colsurfa.2025.137758] |