4-(Methylsulfonyl)-2-nitroaniline - ≥97% , CAS No.21731-56-6

CAS: 21731-56-6 Cat. No.: N694996 Molecular Weight: 216.22 EC Number: 244-550-1 PubChem CID: 89024
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Storage
Store at 2-8°C,Protected from light,Argon charged
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
N694996-250mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$19.90
1g
N694996-1g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$146.90
5g
N694996-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$460.90
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Why this grade

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

🌡

Storage & shipping

Store at 2-8°C,Protected from light,Argon charged 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

Specifications & Purity
≥97%
Storage
Store at 2-8°C, Protected from light, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesCS(=O)(=O)C1=CC(=C(C=C1)N)[N+](=O)[O-]
IUPAC Name4-methylsulfonyl-2-nitroaniline
InChIKeyNDZFWKZHVAUUTN-UHFFFAOYSA-N
INCHI1S/C7H8N2O4S/c1-14(12,13)5-2-3-6(8)7(4-5)9(10)11/h2-4H,8H2,1H3
Isomeric SMILES CS(=O)(=O)C1=CC(=C(C=C1)N)[N+](=O)[O-]
PubChem CID 89024
Molecular Weight 216.22

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 Nitrobenzenes  Benzenesulfonyl compounds  Nitroaromatic compounds  Sulfones  Propargyl-type 1,3-dipolar organic compounds  Organic oxoazanium compounds  Primary amines  Organopnictogen compounds  Organic zwitterions  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Sulfonylaniline - Nitrobenzene - Benzenesulfonyl group - Nitroaromatic compound - Sulfone - Sulfonyl - C-nitro compound - Organic nitro compound - Organic oxoazanium - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Allyl-type 1,3-dipolar organic compound - Amine - Organic zwitterion - Hydrocarbon derivative - Organic oxide - Primary amine - Organosulfur compound - Organonitrogen compound - Organopnictogen compound - Organic oxygen compound - Organic nitrogen compound - 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.

3 results found

Lot NumberCertificate TypeDateItem
K2517682Certificate of AnalysisSep 17, 2025 N694996
K2517683Certificate of AnalysisSep 17, 2025 N694996
K2517685Certificate of AnalysisSep 17, 2025 N694996
Chemical and Physical Properties
SensitivityLight sensitive
Melt Point(°C)194-196
Molecular Weight216.220 g/mol
XLogP30.400
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count5
Rotatable Bond Count1
Exact Mass216.02 Da
Monoisotopic Mass216.02 Da
Topological Polar Surface Area114.000 Ų
Heavy Atom Count14
Formal Charge0
Complexity316.000
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
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