4-Methanesulfonylbenzene-1,2-diamine - ≥98% , CAS No.21731-57-7

CAS: 21731-57-7 Cat. No.: M182827 Molecular Weight: 186.23 EC Number: 960-617-4
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
1,2-Benzenediamine, 4-(methylsulfonyl)- | FT-0716713 | 4-Methanesulfonyl-benzene-1,2-diamine | 4-methanesulfonylbenzene-1,2-diamine | 4-methylsulfonylbenzene-1,2-diamine | 4-(Methylsulfonyl)-1,2-benzenediamine | Z273611684 | MFCD00720917 | DTXSID20426243
Storage
Store at 2-8°C,Protected from light
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
100mg
M182827-100mg
3
$73.90
250mg
M182827-250mg
3
$129.90
1g
M182827-1g
3
$359.90
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

Store at 2-8°C,Protected from light Ships Wet ice 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
1, 2-Benzenediamine, 4-(methylsulfonyl)- | FT-0716713 | 4-Methanesulfonyl-benzene-1, 2-diamine | 4-methanesulfonylbenzene-1, 2-diamine | 4-methylsulfonylbenzene-1, 2-diamine | 4-(Methylsulfonyl)-1, 2-benzenediamine | Z273611684 | MFCD00720917 | DTXSID20426243
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Protected from light
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Pubchem Sid504764410
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504764410
Canonical SmilesCS(=O)(=O)C1=CC(=C(C=C1)N)N
IUPAC Name4-methylsulfonylbenzene-1,2-diamine
InChIKeyXWUNCRCMUXPZDR-UHFFFAOYSA-N
INCHI1S/C7H10N2O2S/c1-12(10,11)5-2-3-6(8)7(9)4-5/h2-4H,8-9H2,1H3
Isomeric SMILES CS(=O)(=O)C1=CC(=C(C=C1)N)N
Molecular Weight 186.23
Reaxy-Rn 778283
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=778283&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
SubclassAniline and substituted anilines
Intermediate Tree Nodes Not available
Direct ParentSulfonylanilines
Alternative Parents Benzenesulfonyl compounds  Sulfones  Primary amines  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Sulfonylaniline - Benzenesulfonyl group - Sulfonyl - Sulfone - Organic nitrogen compound - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Primary amine - Organosulfur compound - Organonitrogen compound - Amine - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as sulfonylanilines. These are compounds containing an aniline moiety, which is para-substituted by a sulfonyl group.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





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
H2301630Certificate of AnalysisMay 11, 2026 M182827
H2301633Certificate of AnalysisMay 11, 2026 M182827
H2301638Certificate of AnalysisMay 11, 2026 M182827
H2301642Certificate of AnalysisMay 11, 2026 M182827
H2301643Certificate of AnalysisMay 11, 2026 M182827
H2301644Certificate of AnalysisMay 11, 2026 M182827
Chemical and Physical Properties
SensitivityLight sensitive
Molecular Weight186.230 g/mol
XLogP3-0.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass186.046 Da
Monoisotopic Mass186.046 Da
Topological Polar Surface Area94.600 Ų
Heavy Atom Count12
Formal Charge0
Complexity245.000
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
Solution Calculators
Reviews

Customer Reviews

Related Products

5-Bromo-3-methylbenzene-1,2-diamine - ≥98% , CAS No.76153-06-5
6-Bromo-N1-methylbenzene-1,2-diamine - ≥97% , CAS No.1150102-47-8
N1-Methyl-4-(trifluoromethyl)benzene-1,2-diamine - ≥97% , CAS No.35203-49-7
5-Bromo-3-fluorobenzene-1,2-diamine - ≥98% , CAS No.517920-69-3
5-Chloro-N1-methylbenzene-1,2-diamine - ≥98% , CAS No.84859-27-8
4,5-dimethoxybenzene-1,2-diamine dihydrochloride - ≥95% , CAS No.131076-14-7
4-Fluoro-3-methylbenzene-1,2-diamine hydrochloride - ≥95% , CAS No.1161426-63-6
4-Chloro-5-fluorobenzene-1,2-diamine - ≥98% , CAS No.139512-70-2
4-Fluoro-5-(trifluoromethyl)benzene-1,2-diamine - ≥98% , CAS No.179062-06-7
4-Fluoro-5-methoxybenzene-1,2-diamine - ≥98% , CAS No.125163-15-7
4-Fluoro-5-nitrobenzene-1,2-diamine - ≥97% , CAS No.113269-06-0
3-Chloro-5-fluorobenzene-1,2-diamine - ≥98% , CAS No.153505-33-0
4-Bromo-3-nitrobenzene-1,2-diamine - ≥95% , CAS No.147021-89-4
4-Bromo-3-methylbenzene-1,2-diamine - ≥97% , CAS No.952511-74-9
4-Bromo-5-fluorobenzene-1,2-diamine - ≥98% , CAS No.153505-37-4
1-N-Butylbenzene-1,2-diamine - ≥97% , CAS No.51592-02-0
1-N-Ethyl-4-fluorobenzene-1,2-diamine - ≥98% , CAS No.1737-43-5
3,5-Difluorobenzene-1,2-diamine - ≥97% , CAS No.2369-29-1
3-(Benzyloxy)benzene-1,2-diamine - ≥98% , CAS No.89521-55-1
3-Bromo-(N1-methyl)benzene-1,2-diamine - ≥96% , CAS No.1150617-55-2
3-Bromo-5-chlorobenzene-1,2-diamine - ≥98% , CAS No.500862-39-5
3-Bromobenzene-1,2-diamine HCl - ≥98% , CAS No.1187830-74-5
4-Methyl-5-nitrobenzene-1,2-diamine - ≥95% , CAS No.65958-37-4
4-ethoxybenzene-1,2-diamine - ≥97% , CAS No.1197-37-1
N-(1H-Benzoimidazol-2-yl)-benzene-1,2-diamine - Reagent grade
4,4'-Sulfonylbis(benzene-1,2-diamine) - ≥95% , CAS No.13224-79-8
N1,5-Dimethylbenzene-1,2-diamine - ≥97% , CAS No.131019-87-9
Vardenafil - ≥98% , CAS No.28898-03-5
3,6-Dimethoxybenzene-1,2-diamine - ≥97% , CAS No.40328-95-8
4-Bromo-N1-methylbenzene-1,2-diamine - ≥97% , CAS No.69038-76-2

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.