3-Bromo-5-chlorophenylsulfonyl chloride

Name: 3-Bromo-5-chlorophenylsulfonyl chloride
Brand: ChemScene
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CAS No. 1049026-36-9
Cat. No. CS-0139656
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
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Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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3-Bromo-5-chlorophenylsulfonyl chloride|CS-0139656

Structure of 1049026-36-9

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Description

3-Bromo-5-chlorophenylsulfonyl chloride features a sulfonyl chloride group flanked by bromo and chloro substituents on a phenyl ring, enabling selective electrophilic functionalization. This configuration enhances reactivity in nucleophilic substitution cascades while maintaining stability under standard bench conditions. The molecule integrates readily into complex scaffolds for pharmaceutical intermediates and advanced materials synthesis.

Application

3-Bromo-5-chlorophenylsulfonyl chloride serves as a versatile building block for the synthesis of sulfonamide-containing pharmaceutical intermediates and functionalized heterocycles. Its dual halogenation pattern enables selective cross-coupling reactions, while the sulfonyl chloride group facilitates efficient derivatization under mild conditions. The compound exhibits good bench stability and compatibility with diverse reaction environments, making it well-suited for iterative synthetic strategies in medicinal chemistry and process development.

General Information

CAS No. 1049026-36-9
Cat. No. CS-0139656
Purity ≥98%
MDL No. None
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃BrCl₂O₂S
Molecular Weight 289.96
Synonym(s) 3-Bromo-5-chloro-benzenesulfonyl chloride
SMILES O=S(C1=CC(Cl)=CC(Br)=C1)(Cl)=O

Computational Chemistry Data

TPSA 34.14
LogP 3.03
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 1

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS05
Signal Word : Danger	UN#: 3261
Class : 8	Packing Group : Ⅲ
Hazard Statements : H314
Precautionary Statements : P260-P264-P280-P301+P330+P331-P304+P340-P363-P405-P501

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Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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3-Bromo-5-chlorophenylsulfonyl chloride

CAS No. 1049026-36-9

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