Description

1,3-Dichloro-5,6-Dihydro-4H-Cyclopenta[C]Thiophen-4-One is a high-value, halogenated heterocyclic building block of significant interest in advanced organic synthesis. Its unique fused-ring structure containing sulfur and chlorine atoms makes it a versatile precursor for constructing complex molecular architectures. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic cores.
• Agrochemical Synthesis: Serves as a crucial building block for creating new-generation herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science Research: Used in the development of advanced organic electronic materials, such as novel semiconductors or conductive polymers.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and enzyme functions.

Basic Information

Product Name	1,3-Dichloro-5,6-Dihydro-4H-Cyclopenta[C]Thiophen-4-One
CAS No.	7687-79-8
Molecular Formula	C7H4Cl2OS
Molecular Weight	207.08 g/mol
Synonyms	1,3-Dichloro-4,5,6,7-tetrahydrocyclopenta[c]thiophen-4-one; 4H-Cyclopenta[c]thiophen-4-one, 5,6-dihydro-1,3-dichloro-; 1,3-Dichloro-5,6-dihydro-4H-cyclopenta[c]thiophen-4-one; 1,3-Dichloro-4-oxo-4,5,6,7-tetrahydrocyclopenta[c]thiophene; 4,5,6,7-Tetrahydro-1,3-dichlorocyclopenta[c]thiophen-4-one
EINECS	Contact for details

Quality Control

Our 1,3-Dichloro-5,6-Dihydro-4H-Cyclopenta[C]Thiophen-4-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory needs.

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 storing under an inert atmosphere to maintain product integrity.

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%

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