4-Bromo-2-fluorobenzenesulfonyl chloride

Name: 4-Bromo-2-fluorobenzenesulfonyl chloride
Brand: ChemScene
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CAS No. 216159-03-4
Cat. No. CS-W022095
Purity≥97%
MDL No.MFCD01090993

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
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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4-Bromo-2-fluorobenzenesulfonyl chloride|CS-W022095

Structure of 216159-03-4

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General Information

CAS No. 216159-03-4
Cat. No. CS-W022095
Purity ≥97%
MDL No. MFCD01090993
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃BrClFO₂S
Molecular Weight 273.51
Synonym(s) 2-FLUORO-4-BROMOBENZENESULFONYL CHLORIDE
SMILES O=S(C1=CC=C(Br)C=C1F)(Cl)=O

Description

4-Bromo-2-fluorobenzenesulfonyl chloride features a sulfonyl chloride group flanked by bromo and fluoro substituents, enabling selective functionalization in electrophilic aromatic substitution. This electron-deficient aryl scaffold integrates readily into pharmaceutical intermediates and specialty materials under standard conditions.

Application

4-Bromo-2-fluorobenzenesulfonyl chloride serves as a versatile sulfonylating agent for the efficient introduction of the 4-bromo-2-fluorophenylsulfonyl group into pharmaceutical and agrochemical intermediates. Its reactivity enables direct sulfonamide formation with amines under mild conditions, offering excellent functional group tolerance and bench stability. The orthogonal halogen substituents facilitate downstream coupling reactions, making it a practical choice for constructing complex heterocyclic scaffolds in medicinal chemistry workflows.

Safety Information

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

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Computational Chemistry Data

TPSA 34.14
LogP 2.5157
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Sulfonyl Chloride

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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4-Bromo-2-fluorobenzenesulfonyl chloride

CAS No. 216159-03-4

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