Description

3-Chloro-2,5-Dihydro-1H-1Lambda6-Thiophene-1,1-Dione is a specialized organosulfur compound featuring a unique sulfone and chloro-substituted dihydrothiophene structure. This molecular architecture makes it a valuable high-purity building block and key intermediate in advanced synthetic chemistry. It is primarily sought by research institutions and industrial R&D departments engaged in the development of novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides, fungicides, and insecticides, leveraging its reactive chloro and sulfone groups.
• Material Science Research: Acts as a monomer or functionalizing agent in the creation of specialized polymers and advanced organic electronic materials.
• Organic Synthesis Building Block: Employed in academic and industrial labs for constructing complex heterocyclic compounds and for introducing the sulfolene moiety into target molecules.
• Chemical Biology Probe Development: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.

Basic Information

Product Name	3-Chloro-2,5-Dihydro-1H-1Lambda6-Thiophene-1,1-Dione
CAS No.	7311-87-7
Molecular Formula	C4H3ClO2S
Molecular Weight	150.58 g/mol
Synonyms	3-Chlorosulfolene; 3-Chloro-2,5-dihydrothiophene 1,1-dioxide; 3-Chloro-2,5-dihydrothiophene-1,1-dione; 3-Chloro-δ³-sulfolene; 3-Chloro-2,5-dihydrothiophene-1,1-dioxide; 3-Chlorosulfol-3-ene; 3-Chloro-1λ⁶-thiophene-1,1-dione
EINECS	Contact for details

Quality Control

We supply 3-Chloro-2,5-Dihydro-1H-1Lambda6-Thiophene-1,1-Dione in high-purity grades suitable for research and development. Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with stringent internal specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and reducing agents. 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
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%

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