Description

Benzenesulfonyl Chloride, 3-Ethyl-4-Methoxy- is a specialized aromatic sulfonyl chloride derivative, serving as a versatile and critical building block in advanced organic synthesis. Its core value lies in its reactive sulfonyl chloride group, which enables the efficient introduction of the benzenesulfonyl moiety into target molecules, a key step in creating compounds with specific biological or material properties. This intermediate is particularly valuable for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used in the development of active ingredients and fine chemicals. The compound, identified by CAS 84911-01-3, is supplied to meet the stringent demands of process chemistry and research applications.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in the development of sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups for enhanced activity.
• Dyestuff and Pigment Manufacturing: Serves as a precursor in the creation of specialized dyes and organic pigments.
• Polymer Chemistry: Employed as a monomer or modifying agent to introduce sulfone linkages into polymer backbones, affecting thermal and chemical resistance.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating custom molecular libraries.
• Liquid Crystal and Electronic Material Precursor: Used in the synthesis of advanced materials for display technologies and organic electronics.

Basic Information

Product Name	Benzenesulfonyl Chloride, 3-Ethyl-4-Methoxy-
CAS No.	84911-01-3
Molecular Formula	C9H11ClO3S
Molecular Weight	234.70 g/mol
Synonyms	3-Ethyl-4-methoxybenzenesulfonyl chloride; 1-Ethyl-2-methoxy-4-(chlorosulfonyl)benzene; 4-Methoxy-3-ethylbenzenesulfonyl chloride; 3-Ethyl-4-methoxybenzene-1-sulfonyl chloride; 3-Ethyl-4-methoxy-phenylsulfonyl chloride; 3-Ethyl-4-methoxybenzenesulphonyl chloride; 84911-01-3
EINECS	Contact for details

Quality Control

Our Benzenesulfonyl Chloride, 3-Ethyl-4-Methoxy- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets high-purity standards suitable for synthetic applications. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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