2-Aminophenol-4-sulfonamide - ≥97% , CAS No.98-32-8

CAS: 98-32-8 Cat. No.: A151612 Molecular Weight: 188.2 EC Number: 202-657-0
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
STL122233 | 3-azanyl-4-oxidanyl-benzenesulfonamide | AS-11973 | 3-amino-4-hydroxybenzene-1-sulfonamide | 2-AMINO-4-SULFAMOYLPHENOL | A1031 | A845842 | AKOS000592976 | EN300-01211 | D70671 | NSC 4976 | InChI=1/C6H8N2O3S/c7-5-3-4(12(8,10)11)1-2-6(5)9/h1-3,9
Storage
Argon charged,Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
A151612-25g
1

$22.90

$34.90
Save $12.00 (34.38%)
100g
A151612-100g
5

$69.90

$104.90
Save $35.00 (33.37%)
500g
A151612-500g
1

$84.90

$127.90
Save $43.00 (33.62%)
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Argon charged,Room temperature Ships Normal Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
STL122233 | 3-azanyl-4-oxidanyl-benzenesulfonamide | AS-11973 | 3-amino-4-hydroxybenzene-1-sulfonamide | 2-AMINO-4-SULFAMOYLPHENOL | A1031 | A845842 | AKOS000592976 | EN300-01211 | D70671 | NSC 4976 | InChI=1/C6H8N2O3S/c7-5-3-4(12(8, 10)11)1-2-6(5)9/h1-3, 9
Specifications & Purity
≥97%
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥97%
Names and Identifiers
Pubchem Sid488183855
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488183855
Canonical SmilesC1=CC(=C(C=C1S(=O)(=O)N)N)O
IUPAC Name3-amino-4-hydroxybenzenesulfonamide
InChIKeyAVQFHKYAVVQYQO-UHFFFAOYSA-N
INCHI1S/C6H8N2O3S/c7-5-3-4(12(8,10)11)1-2-6(5)9/h1-3,9H,7H2,(H2,8,10,11)
Isomeric SMILES C1=CC(=C(C=C1S(=O)(=O)N)N)O
Molecular Weight 188.2
Reaxy-Rn 514764
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=514764&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassBenzenesulfonamides
Intermediate Tree Nodes Not available
Direct ParentAminobenzenesulfonamides
Alternative Parents Benzenesulfonyl compounds  o-Aminophenols  Aniline and substituted anilines  1-hydroxy-2-unsubstituted benzenoids  Organosulfonamides  Aminosulfonyl compounds  Primary amines  Organopnictogen compounds  Organooxygen compounds  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Aminobenzenesulfonamide - Benzenesulfonyl group - O-aminophenol - Aminophenol - Aniline or substituted anilines - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Organosulfonic acid amide - Aminosulfonyl compound - Sulfonyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organic oxide - Amine - Primary amine - Organopnictogen compound - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organic oxygen compound - Organic nitrogen compound - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as aminobenzenesulfonamides. These are organic compounds containing a benzenesulfonamide moiety with an amine group attached to the benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
CA12 Tclin Carbonic anhydrase 12 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA9 Tclin Carbonic anhydrase 9 (1 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
CA2 Tclin Carbonic anhydrase II (17698 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA1 Tclin Carbonic anhydrase I (13240 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
CA12 Tclin Carbonic anhydrase XII (6231 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Mechanisms of Action
Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
C2307612Certificate of AnalysisOct 25, 2022 A151612
C2307616Certificate of AnalysisOct 25, 2022 A151612
L2208268Certificate of AnalysisOct 25, 2022 A151612
L2208283Certificate of AnalysisOct 25, 2022 A151612
L2208284Certificate of AnalysisOct 25, 2022 A151612
L2208299Certificate of AnalysisOct 25, 2022 A151612
Chemical and Physical Properties
SolubilitySoluble in Methanol
SensitivityAir Sensitive
Melt Point(°C)199 °C
Molecular Weight188.210 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass188.026 Da
Monoisotopic Mass188.026 Da
Topological Polar Surface Area115.000 Ų
Heavy Atom Count12
Formal Charge0
Complexity246.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Citations of This Product
References
1. Guangcun Qian, Deliang Zhu, Jiangnan Li, Yu Li, Hongyan Tang.  (2023)  A facile strategy to develop highly stable antifouling NF membranes with chlorine resistance based on polyamide-sulfonamide active layer.  Journal of Environmental Chemical Engineering,      [PMID:] [10.1016/j.jece.2023.110146]
2. Xinran Wang, Xufeng Zang, Hong Zhou, Na Wang, Yishan Fang, Bo Cui.  (2024)  Fe, Cu dual-atom catalysts assisted molecularly imprinted electrochemiluminescence sensor for ultrasensitive detection of trichlorfon.  FOOD CHEMISTRY,      [PMID:39298852] [10.1016/j.foodchem.2024.141294]
3. Minghe Li, Shuyu Zhang, Lu Zhang, Hong Zhong, Chenyu Wang, Chen Wang, Ruirui Feng, Yanni Sun, Yun Ai, Ning Zhang.  (2026)  A Novel Fluorescent Probe for the Determination of Aluminum Ions in Aqueous Samples.  Applied Sciences-Basel,  16  (6):   [PMID:] [10.3390/app16062970]
Solution Calculators
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