2,3-Dichlorobenzene-1-sulfonyl chloride

Name: 2,3-Dichlorobenzene-1-sulfonyl chloride
Brand: ChemScene
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CAS No. 82417-45-6
Cat. No. CS-W014637
Purity≥97%
MDL No.MFCD00051844

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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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2,3-Dichlorobenzene-1-sulfonyl chloride|CS-W014637

Structure of 82417-45-6

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General Information

CAS No. 82417-45-6
Cat. No. CS-W014637
Purity ≥97%
MDL No. MFCD00051844
Storage 4°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₃Cl₃O₂S
Molecular Weight 245.50
Synonym(s) 2,3-Dichlorobenzenesulfonyl chloride
SMILES O=S(C1=CC=CC(Cl)=C1Cl)(Cl)=O

Description

2,3-Dichlorobenzene-1-sulfonyl chloride features a sulfonyl chloride group flanked by two chlorine substituents on adjacent ring positions, enabling high reactivity in nucleophilic substitution. This electron-deficient arylsulfonyl chloride integrates readily into sulfonamide and sulfonic acid derivatives under mild conditions. The steric and electronic environment enhances selectivity in functionalization reactions.

Application

2,3-Dichlorobenzene-1-sulfonyl chloride serves as a versatile sulfonylating agent for the efficient introduction of a dichlorophenylsulfonyl group into target molecules. Its stability under standard handling conditions and compatibility with diverse nucleophiles enable reliable synthesis of sulfonamide and sulfonate derivatives. The ortho-dichloro substitution enhances electrophilicity while maintaining bench stability, making it ideal for constructing complex scaffolds in medicinal chemistry and materials science applications.

Safety Information

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GHS Pictogram :	GHS No : GHS02,GHS05
Signal Word : Danger	UN#: 2925
Class : 4.1 (8)	Packing Group : Ⅲ
Hazard Statements : H228-H314-H318
Precautionary Statements : P210-P240-P241-P260-P264-P280-P301+P330+P331-P304+P340-P363-P370+P378-P405-P501

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Computational Chemistry Data

TPSA 34.14
LogP 2.9209
H_Acceptors 2
H_Donors 0
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Chloride

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

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2,3-Dichlorobenzene-1-sulfonyl chloride

CAS No. 82417-45-6

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