Description

1-Chloro-6,7-Dihydrobenzo[C]Thiophen-4(5H)-One is a versatile heterocyclic building block characterized by its fused thiophene and ketone structure. This compound is valued for its role as a key synthetic intermediate in the development of complex organic molecules, particularly in pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel active compounds.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic scaffold.
• Organic Synthesis Building Block: Employed in academic and industrial research for constructing complex polycyclic structures and functionalized thiophene derivatives.
• Material Science Precursor: Investigated for the synthesis of organic electronic materials and specialty polymers where the thiophene moiety is advantageous.
• Chemical Biology Probe Development: Utilized as a scaffold for creating molecular probes to study biological pathways and enzyme functions.

Basic Information

Product Name	1-Chloro-6,7-Dihydrobenzo[C]Thiophen-4(5H)-One
CAS No.	34967-78-7
Molecular Formula	C8H7ClOS
Molecular Weight	186.66 g/mol
Synonyms	1-Chloro-4,5,6,7-tetrahydrobenzo[c]thiophen-4-one; 1-Chloro-4,5,6,7-tetrahydro-1-benzothiophen-4-one; 4(5H)-Benzo[c]thiophenone, 1-chloro-6,7-dihydro-; 1-Chloro-6,7-dihydro-4H-benzothiophen-4-one; 1-Chloro-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene
EINECS	Contact for details

Quality Control

Our production of 1-Chloro-6,7-Dihydrobenzo[C]Thiophen-4(5H)-One adheres to stringent in-process controls and final batch analysis to ensure consistency and purity suitable for research and development applications. Each batch is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We are committed to supply chain transparency and reliable documentation to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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