Description

3,4-Dihydro-6-Methyl-2H-1-Benzothiopyran-7-Sulphonyl Chloride 1,1-Dioxide is a high-purity, reactive chemical intermediate characterized by its sulphonyl chloride functional group. This compound is critical for introducing the sulphonamide moiety into target molecules, enabling the synthesis of compounds with enhanced biological activity and specific physicochemical properties. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drug candidates, including potential diuretics, carbonic anhydrase inhibitors, and anti-convulsants.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides where the sulphonamide group is integral to the mode of action.
• Fine Chemical Production: Serves as a versatile reagent for introducing sulphonyl groups in custom synthesis and process development for specialty chemicals.
• Chemical Research: Employed in academic and industrial R&D labs for exploring new organic reactions and synthesizing complex molecular architectures for material science applications.
• Dye and Pigment Intermediate: Potential use in the synthesis of specialized sulfonated dyes and colorants.

Basic Information

Product Name	3,4-Dihydro-6-Methyl-2H-1-Benzothiopyran-7-Sulphonyl Chloride 1,1-Dioxide
CAS No.	1084-64-6
Molecular Formula	C10H9ClO4S2
Molecular Weight	292.76 g/mol
Synonyms	6-Methyl-2H-1-benzothiopyran-7-sulfonyl chloride, 1,1-dioxide; 3,4-Dihydro-6-methyl-2H-1-benzothiopyran-7-sulfonyl chloride 1,1-dioxide; 6-Methylchroman-7-sulfonyl chloride, 1,1-dioxide (related structure); 7-(Chlorosulfonyl)-6-methyl-3,4-dihydro-2H-1-benzothiopyran 1,1-dioxide; Thiopyran sulfonyl chloride derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-6-Methyl-2H-1-Benzothiopyran-7-Sulphonyl Chloride 1,1-Dioxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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