o-Toluenesulfonamide - ≥98% , CAS No.88-19-7

CAS: 88-19-7 Cat. No.: T106934 Molecular Weight: 171.22 Beilstein Registry Number: 11(3)167 EC Number: 201-808-8 PubChem CID: 6924
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
o-(Or p)-toluenesulphonamide | TOLUENESULFONAMIDE | DTXCID301362 | IEJ | o-Toluenesulfonamide, Pharmaceutical Secondary Standard; Certified Reference Material | 2-Methylbenzenesulfonamide | 2-methylbenzene-sulfonamide | 2-methyl-benzenesulphonamide | SY04
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
T106934-25g
4
$9.90
100g
T106934-100g
2
$18.90
250g
T106934-250g
2
$34.90
500g
T106934-500g
1
$35.90
Enter a quantity for the sizes you want to add.
🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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
o-(Or p)-toluenesulphonamide | TOLUENESULFONAMIDE | DTXCID301362 | IEJ | o-Toluenesulfonamide, Pharmaceutical Secondary Standard; Certified Reference Material | 2-Methylbenzenesulfonamide | 2-methylbenzene-sulfonamide | 2-methyl-benzenesulphonamide | SY04
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid488180210
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488180210
Canonical SmilesCC1=CC=CC=C1S(=O)(=O)N
IUPAC Name2-methylbenzenesulfonamide
InChIKeyYCMLQMDWSXFTIF-UHFFFAOYSA-N
INCHI1S/C7H9NO2S/c1-6-4-2-3-5-7(6)11(8,9)10/h2-5H,1H3,(H2,8,9,10)
Isomeric SMILES CC1=CC=CC=C1S(=O)(=O)N
WGK Germany 2
RTECS XT4900000
PubChem CID 6924
Molecular Weight 171.22
Beilstein 11(3)167
Reaxy-Rn 1102362

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 ParentBenzenesulfonamides
Alternative Parents Benzenesulfonyl compounds  Toluenes  Organosulfonamides  Aminosulfonyl compounds  Organic oxides  Organic nitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonamide - Benzenesulfonyl group - Toluene - Organosulfonic acid amide - Aminosulfonyl compound - Sulfonyl - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organosulfur compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonamides. These are organic compounds containing a sulfonamide group that is S-linked to a benzene ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Associated Targets(Human)
APP Tclin Amyloid-beta A4 protein (8510 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
Associated Targets(non-human)
Carbonic anhydrase (69 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.

14 results found

Lot NumberCertificate TypeDateItem
I2418068Certificate of AnalysisApr 03, 2026 T106934
L1803191Certificate of AnalysisJan 26, 2026 T106934
I2311015Certificate of AnalysisJun 09, 2025 T106934
G2529450Certificate of AnalysisJul 15, 2024 T106934
G2529455Certificate of AnalysisJul 15, 2024 T106934
H2518678Certificate of AnalysisJul 15, 2024 T106934
L2109022Certificate of AnalysisSep 21, 2023 T106934
L2109023Certificate of AnalysisSep 21, 2023 T106934
L2109026Certificate of AnalysisSep 21, 2023 T106934
L2109027Certificate of AnalysisSep 21, 2023 T106934
L2109029Certificate of AnalysisSep 21, 2023 T106934
G2106032Certificate of AnalysisApr 13, 2023 T106934
G1515034Certificate of AnalysisJan 04, 2023 T106934
G2418035Certificate of AnalysisNov 22, 2021 T106934

Show more ⌵

Chemical and Physical Properties
Melt Point(°C)156-158°C
Molecular Weight171.220 g/mol
XLogP30.800
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count3
Rotatable Bond Count1
Exact Mass171.035 Da
Monoisotopic Mass171.035 Da
Topological Polar Surface Area68.500 Ų
Heavy Atom Count11
Formal Charge0
Complexity217.000
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. Zhefei Hu, Yanhao Jiang, Panpan Cao, Yanjuan Liu, Yuefei Zhang, Wei Chen, Sheng Tang.  (2023)  Performance evaluation of 2-undecylimidazole/propyl methacrylate bifunctional silica gel for mixed-mode reversed-phase/anion-exchange chromatography.  MICROCHEMICAL JOURNAL,      [PMID:] [10.1016/j.microc.2023.108768]
2. Yüfang Wu, Xiaolu Zhang, Yanchao Di, Yu Kang, Li Bai.  (2017)  Solubility and Mixing Thermodynamics Properties of p-Toluenesulfonamide and o-Toluenesulfonamide in Seven Monosolvents at Different Temperatures.  JOURNAL OF CHEMICAL AND ENGINEERING DATA,      [PMID:] [10.1021/acs.jced.7b00714]
3. Kui Wu, Yajun Li.  (2019)  Solubility Measurement and Thermodynamic Modeling for o-Toluenesulfonamide in 16 Solvents from T = 273.15 to 323.85 K.  JOURNAL OF CHEMICAL AND ENGINEERING DATA,      [PMID:] [10.1021/acs.jced.9b00445]
Solution Calculators
Reviews

Customer Reviews

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.