Determine the necessary mass, volume, or concentration for preparing a solution.
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
≥98%(T) 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488183858 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488183858 |
| Canonical Smiles | C1=CC(=CC=C1NN)S(=O)(=O)O |
| IUPAC Name | 4-hydrazinylbenzenesulfonic acid |
| InChIKey | IOMZCWUHFGMSEJ-UHFFFAOYSA-N |
| INCHI | 1S/C6H8N2O3S/c7-8-5-1-3-6(4-2-5)12(9,10)11/h1-4,8H,7H2,(H,9,10,11) |
| Isomeric SMILES | C1=CC(=CC=C1NN)S(=O)(=O)O |
| RTECS | DB6900000 |
| PubChem CID | 66825 |
| Molecular Weight | 188.2 |
| Reaxy-Rn | 514779 |
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 | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Benzenesulfonic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Benzenesulfonic acids and derivatives |
| Alternative Parents | Benzenesulfonyl compounds 1-sulfo,2-unsubstituted aromatic compounds Phenylhydrazines Sulfonyls Organosulfonic acids Organopnictogen compounds Organic oxides Hydrocarbon derivatives Hydrazines and derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Benzenesulfonate - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Benzenesulfonyl group - Phenylhydrazine - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Organosulfonic acid - Sulfonyl - Hydrazine derivative - Organic nitrogen compound - Organic oxygen compound - Organosulfur compound - Organonitrogen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzenesulfonic acids and derivatives. These are organic compounds containing a sulfonic acid or a derivative thereof that is linked to a benzene ring. |
| External Descriptors | Not available |
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
| Activity Type | Relation | Activity value | Units | Action Type | Journal | PubMed Id | doi | Assay Aladdin ID |
|---|
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 | May 21, 2026 | P160203 | |
| Certificate of Analysis | Sep 16, 2025 | P160203 | |
| Certificate of Analysis | Sep 16, 2025 | P160203 | |
| Certificate of Analysis | Sep 16, 2025 | P160203 | |
| Certificate of Analysis | Sep 09, 2025 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 | |
| Certificate of Analysis | Dec 14, 2023 | P160203 |
| Solubility | Solubility in Na2CO3 almost transparency |
|---|---|
| Molecular Weight | 188.210 g/mol |
| XLogP3 | -2.400 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 188.026 Da |
| Monoisotopic Mass | 188.026 Da |
| Topological Polar Surface Area | 101.000 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 226.000 |
| 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. Yan Jia, Lili Xu, Lancheng Wang, Kun Yan, Jieru Chen, Pengcheng Xu, Bin Di, Fang Yan, Chi Hu. (2023) A light-up fluorescence probe for wash-free analysis of Mu-opioid receptor and ligand-binding events. ANALYTICA CHIMICA ACTA, [PMID:37147056] [10.1016/j.aca.2023.341220] |
| 2. Liang Dongxin, Tuo Xiaoqian, Wang Qing, Zhao Lanbo, Zhang Kailu, Wang Yiran, Feng Xue, Yin Panyue, Guo Lin, Liu Yu, Wang Lei, Han Lu, An Ruifang, Li Qiling. (2021) Near-Infrared Fluorescent Agent for In Vitro Screening of Endometrial Cancer and Precancerous Lesions. Frontiers in Oncology, [PMID:34277456] [10.3389/fonc.2021.713583] |
| 3. Yingying Zhang, Yanliang Zhao, Bo Song, Chaobo Huang. (2021) Spectroscopic behavior and intracellular application of a highly sensitive UV-fluorescence double ratio probe based on water-soluble indole for detection acid pH. DYES AND PIGMENTS, [PMID:] [10.1016/j.dyepig.2021.109205] |
| 4. Qianqian Qi, Zhanyu Zhang, Dun Wang. (2025) GSH-responsive paclitaxel prodrug used in chemotherapy in combination with photodynamic therapy. BIOORGANIC CHEMISTRY, [PMID:40007348] [10.1016/j.bioorg.2025.108289] |
| 5. Guo Kexin, Yang Xuehan, Zhou Chao, Li Chuang. (2024) Self-regulated reversal deformation and locomotion of structurally homogenous hydrogels subjected to constant light illumination. Nature Communications, 15 (1): (1-12). [PMID:38402204] [10.1038/s41467-024-46100-6] |