5-Bromo-2-methoxybenzenesulfonyl chloride

Name: 5-Bromo-2-methoxybenzenesulfonyl chloride
Brand: ChemScene
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CAS No. 23095-05-8
Cat. No. CS-W010023
Purity≥95%
MDL No.MFCD00051768

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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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5-Bromo-2-methoxybenzenesulfonyl chloride|CS-W010023

Structure of 23095-05-8

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Description

5-Bromo-2-methoxybenzenesulfonyl chloride features a brominated aromatic ring fused to a sulfonyl chloride group, enabling selective electrophilic functionalization. The methoxy substituent enhances solubility and modulates electronic effects, while the sulfonyl chloride moiety offers high reactivity in amide and sulfonamide synthesis under mild conditions.

Application

5-Bromo-2-methoxybenzenesulfonyl chloride serves as a versatile building block for sulfonamide synthesis, enabling efficient introduction of brominated and methoxy-substituted sulfonyl groups into bioactive molecules. Its reactivity is well-documented in late-stage functionalization and heterocycle construction, with predictable behavior in nucleophilic substitution reactions. The molecule exhibits bench stability and facilitates straightforward purification, making it suitable for scalable medicinal chemistry campaigns and API intermediate development.

General Information

CAS No. 23095-05-8
Cat. No. CS-W010023
Purity ≥95%
MDL No. MFCD00051768
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₇H₆BrClO₃S
Molecular Weight 285.54
Synonym(s) benzenesulfonyl chloride, 5-bromo-2-methoxy-; 5-Bromo-2-methoxybenzenesulfonyl chloride
SMILES O=S(C1=CC(Br)=CC=C1OC)(Cl)=O

Computational Chemistry Data

TPSA 43.37
LogP 2.3852
H_Acceptors 3
H_Donors 0
Rotatable_Bonds 2

Safety Information

Download SDS

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

Quality Control

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Other Classifications

Building Blocks Functional Group Bromide

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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5-Bromo-2-methoxybenzenesulfonyl chloride

CAS No. 23095-05-8

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