Description

4,5-Dihydro-[3]Benzothiepin-1-One is a specialized organic compound featuring a benzothiepinone core structure, which serves as a valuable synthetic intermediate in advanced chemical synthesis. Its unique fused ring system makes it a critical building block for the development of novel pharmacologically active molecules and functional materials. This high-purity intermediate is primarily utilized by research institutions and industrial R&D departments focused on pharmaceutical discovery, agrochemical development, and materials science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel therapeutic agents, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic structure.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to construct more elaborate polycyclic frameworks for material science applications.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Ligand and Catalyst Development: Investigated for use in the design of novel ligands and organocatalysts due to its specific stereoelectronic properties.

Basic Information

Product Name	4,5-Dihydro-[3]Benzothiepin-1-One
CAS No.	51659-38-2
Molecular Formula	C11H10OS
Molecular Weight	190.26 g/mol
Synonyms	4,5-Dihydro-3-benzothiepin-1(2H)-one; 1(2H)-Benzothiepin-1-one, 4,5-dihydro-; 4,5-Dihydro-1(2H)-benzothiepinone; 4,5-Dihydrobenzo[b]thiepin-1(2H)-one; NSC 339063; 4,5-Dihydro-3-benzothiepinone
EINECS	Contact for details

Quality Control

Our 4,5-Dihydro-[3]Benzothiepin-1-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 identification by spectroscopic methods (IR, NMR) and purity determination by HPLC. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

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.