5-Bromo-2-methoxybenzenesulfonyl chloride - ≥98% , CAS No.23095-05-8

CAS: 23095-05-8 Cat. No.: B122524 Molecular Weight: 285.54 Beilstein Registry Number: 3093014 EC Number: 625-262-9
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
AM20030400 | 2-methoxy-5-bromobenzenesulfonyl chloride | 5-Bromo-2-methoxybenzenesulfonyl chloride, 97% | J-014980 | Benzenesulfonyl chloride, 5-bromo-2-methoxy- | Z104494082 | EN300-10737 | SCHEMBL47015 | 5-BROMO-2-METHOXYBENZENESULFONYLCHLORIDE | B3965
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
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1g
B122524-1g
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B122524-5g
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25g
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100g
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Why this grade

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

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Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Product Introduction

5-Bromo-2-methoxybenzenesulfonyl chloride is a benzenesulfonyl chloride derivative.


Application

5-Bromo-2-methoxybenzenesulfonyl chloride may be used in the preparation of the following 1-bromo-3-heteroarylbenzene derivatives:

2-(5-bromo-2-methoxyphenyl)benzofuran

2-(5-bromo-2-methoxyphenyl)-1-methylpyrrole

2-(5-bromo-2-methoxyphenyl)benzoxazole


It may also be used to synthesize N-(4-ethylbenzoyl)-2-methoxybenzenesulfonamide

Specifications

Synonyms
AM20030400 | 2-methoxy-5-bromobenzenesulfonyl chloride | 5-Bromo-2-methoxybenzenesulfonyl chloride, 97% | J-014980 | Benzenesulfonyl chloride, 5-bromo-2-methoxy- | Z104494082 | EN300-10737 | SCHEMBL47015 | 5-BROMO-2-METHOXYBENZENESULFONYLCHLORIDE | B3965
Specifications & Purity
≥98%
Storage
Store at 2-8°C, Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥98%
Names and Identifiers
Canonical SmilesCOC1=C(C=C(C=C1)Br)S(=O)(=O)Cl
IUPAC Name5-bromo-2-methoxybenzenesulfonyl chloride
InChIKeyIXSBNNRUQYYMRM-UHFFFAOYSA-N
INCHI1S/C7H6BrClO3S/c1-12-6-3-2-5(8)4-7(6)13(9,10)11/h2-4H,1H3
Isomeric SMILES COC1=C(C=C(C=C1)Br)S(=O)(=O)Cl
WGK Germany 3
UN Number 3261
Molecular Weight 285.54
Beilstein 3093014
Reaxy-Rn 3093014
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3093014&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
SubclassBenzenesulfonyl compounds
Intermediate Tree Nodes Benzenesulfonyl halides
Direct ParentBenzenesulfonyl chlorides
Alternative Parents Phenoxy compounds  Methoxybenzenes  Anisoles  Bromobenzenes  Alkyl aryl ethers  Aryl bromides  Sulfonyls  Sulfonyl chlorides  Organosulfonic acids and derivatives  Organobromides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Benzenesulfonyl chloride - Anisole - Phenol ether - Methoxybenzene - Phenoxy compound - Bromobenzene - Halobenzene - Alkyl aryl ether - Aryl bromide - Aryl halide - Sulfonyl - Sulfonyl halide - Sulfonyl chloride - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Ether - Organohalogen compound - Organic oxide - Organobromide - Organooxygen compound - Organosulfur compound - Hydrocarbon derivative - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as benzenesulfonyl chlorides. These are aromatic compounds containing a benzenesulfonyl group, where the sulfonyl moiety is singly boned to a chloride atom.
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.

10 results found

Lot NumberCertificate TypeDateItem
H1601022Certificate of AnalysisSep 10, 2025 B122524
B2223158Certificate of AnalysisAug 11, 2025 B122524
L2106070Certificate of AnalysisJun 10, 2025 B122524
L2106071Certificate of AnalysisJun 10, 2025 B122524
L2106072Certificate of AnalysisJun 10, 2025 B122524
K2429306Certificate of AnalysisJun 19, 2024 B122524
K2425211Certificate of AnalysisJun 19, 2024 B122524
K2425254Certificate of AnalysisJun 19, 2024 B122524
C2513109Certificate of AnalysisSep 11, 2023 B122524
H2130393Certificate of AnalysisJun 06, 2023 B122524
Chemical and Physical Properties
SensitivityMoisture & Heat Sensitive
Melt Point(°C)115-118°C
Molecular Weight285.540 g/mol
XLogP32.600
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass283.891 Da
Monoisotopic Mass283.891 Da
Topological Polar Surface Area51.800 Ų
Heavy Atom Count13
Formal Charge0
Complexity261.000
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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