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  8. 3,5-Dichloro-2-hydroxybenzenesulfonyl chloride, 97%

3,5-Dichloro-2-hydroxybenzenesulfonyl chloride, 97%

Product Code. 11388635
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Product Code. 11388635 Supplier Thermo Scientific Alfa Aesar Supplier No. L12147.09
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Estimated Shipment: 05-08-2026
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Description

CAS: 23378-88-3 | C6H3Cl3O3S | 261.50 g/mol

3,5-Dichloro-2-hydroxybenzenesulfonyl chloride is used in the synthesis of (1R,2R)-(+)-1,2-(3,3?,5,5?-tetrachloro-2,2?-dihydroxydibenzenesulfonamido)-1,2-diphenylethane1 and (1R,2R)-(+)- 1,2-(3,3?,5,5?-tetrachloro-2,2?-dihydroxydibenzenesulfonamido)cyclohexane. It was used as chromogenic system in one-step kinetic method for the determination of 5?-nucleotidase.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
3,5-Dichloro-2-hydroxybenzenesulfonyl chloride is used in the synthesis of (1R,2R)-(+)-1,2-(3,3′,5,5′-tetrachloro-2,2′-dihydroxydibenzenesulfonamido)-1,2-diphenylethane1 and (1R,2R)-(+)- 1,2-(3,3′,5,5′-tetrachloro-2,2′-dihydroxydibenzenesulfonamido)cyclohexane. It was used as chromogenic system in one-step kinetic method for the determination of 5′-nucleotidase.

Solubility
Hydrolyzes in water.

Notes
Moisture Sensitive. Incompatible with bases, moisture and oxidizing agents. Store under dry inert gas. Protect from humidity and water.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 23378-88-3
Molecular Formula C6H3Cl3O3S
Molecular Weight (g/mol) 261.50
MDL Number MFCD00007432
InChI Key KXFQRJNVGBIDHA-UHFFFAOYSA-N
Synonym 3,5-dichloro-2-hydroxybenzenesulphonyl chloride, benzenesulfonyl chloride, 3,5-dichloro-2-hydroxy, 3,5-dichloro-2-hydroxybenzenesulfonylchloride, 3,5-dichloro-2-hydroxybenzene-1-sulfonyl chloride, 3,5-dichloro-2-hydroxy-benzenesulfonyl chloride, acmc-20andd, kxfqrjnvgbidha-uhfffaoysa, 2,4-dichloro-6-chlorosulfonyl phenol, 2,4-dichlorophenol-6-sulfonyl chloride, 3,5-dichloro-2-hydroxyphenyl chlorosulfone
PubChem CID 90078
IUPAC Name 3,5-dichloro-2-hydroxybenzenesulfonyl chloride
SMILES OC1=C(Cl)C=C(Cl)C=C1S(Cl)(=O)=O

Specifications

Melting Point 78°C to 80°C
Quantity 10 g
UN Number UN3261
Beilstein 2940993
Formula Weight 261.51
Percent Purity 97%
Chemical Name or Material 3,5-Dichloro-2-hydroxybenzenesulfonyl chloride

RUO – Research Use Only

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