Description

Benzenesulfonic Acid, 2-Bromo-4-Chlorophenyl Ester is a specialized organosulfur compound that serves as a versatile intermediate in advanced organic synthesis. Its unique structure, featuring both bromo and chloro substituents, makes it a valuable building block for constructing complex molecules with specific electronic and steric properties. This high-purity intermediate is primarily utilized by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting specific receptor sites.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the halogenated phenyl group contributes to biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and asymmetric synthesis.
• Polymer Modification: Employed in the synthesis of functional monomers or as a modifying agent to impart specific properties to advanced polymer systems.
• Material Science Research: Utilized in the development of organic electronic materials, such as charge-transport layers or photoactive components.
• Custom Chemical Synthesis: A critical building block for contract research and manufacturing organizations (CROs/CMOs) producing bespoke compounds for client projects.

Basic Information

Product Name	Benzenesulfonic Acid, 2-Bromo-4-Chlorophenyl Ester
CAS No.	13659-16-0
Molecular Formula	C12H8BrClO3S
Molecular Weight	347.61 g/mol
Synonyms	2-Bromo-4-chlorophenyl benzenesulfonate; Benzenesulfonic Acid 2-Bromo-4-chlorophenyl Ester; (2-Bromo-4-chlorophenyl) benzenesulfonate; Phenylsulfonic Acid 2-Bromo-4-chlorophenyl Ester; 2-Bromo-4-chlorophenyl phenylsulfonate; NSC 403107; 13659-16-0; 2-Bromo-4-chloro-1-phenoxybenzenesulfonic Acid (Ester Form)
EINECS	Contact for details

Quality Control

Our Benzenesulfonic Acid, 2-Bromo-4-Chlorophenyl Ester is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to guarantee traceability and consistency for your R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.