4-Hydroxybenzenesulfonyl chloride

Name: 4-Hydroxybenzenesulfonyl chloride
Brand: ChemScene
Availability: InStock
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CAS No. 4025-67-6
Cat. No. CS-0088970
Purity≥95%
MDL No.MFCD09833838

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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-Hydroxybenzenesulfonyl chloride|CS-0088970

Structure of 4025-67-6

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General Information

CAS No. 4025-67-6
Cat. No. CS-0088970
Purity ≥95%
MDL No. MFCD09833838
Storage -20°C
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₆H₅ClO₃S
Molecular Weight None
Synonym(s) 4-HYDROXY-BENZENESULFONYL CHLORIDE
SMILES O=S(C1=CC=C(O)C=C1)(Cl)=O

Description

4-Hydroxybenzenesulfonyl chloride features a phenolic hydroxyl group adjacent to a sulfonyl chloride moiety, enabling selective derivatization in aqueous or mixed solvents. This bifunctional reagent facilitates the synthesis of sulfonamide-linked biologics and bioconjugates under mild conditions. The electron-withdrawing sulfonyl chloride activates the aromatic ring for nucleophilic substitution, while the hydroxyl group provides hydrogen-bonding capacity and enhanced solubility.

Application

4-Hydroxybenzenesulfonyl chloride serves as a versatile sulfonating agent and synthetic intermediate, enabling direct introduction of the 4-hydroxybenzenesulfonyl group into nucleophilic substrates. Its reactivity facilitates efficient derivatization of amines, alcohols, and thiols under mild conditions, with the phenolic hydroxyl group offering subsequent functionalization potential. The compound exhibits good bench stability and enables straightforward purification, making it well-suited for use in medicinal chemistry and API scaffold development.

Synthesis

Route1
- 825-90-1
- ~99%
- In-stock
  
  4025-67-6
References
- GALDERMA RESEARCH and DEVELOPMENT Patent: US2012/323006 A1, 2012 ; Location in patent: Page/Page column 27 ;

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS05
Signal Word : Danger	UN#: 3261
Class : 8	Packing Group : Ⅱ
Hazard Statements : H290-H314
Precautionary Statements : P260-P280-P301+P330+P331-P304+P340

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Computational Chemistry Data

TPSA 54.37
LogP 1.3197
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 1

Other Classifications

Building Blocks Functional Group Sulfonyl Chloride

Building Blocks Skeleton Aromatic ring compounds Benzene compounds

Key Words

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4-Hydroxybenzenesulfonyl chloride

CAS No. 4025-67-6

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