Description

4-[(E)-2-Thienylmethylidene]-3,4-Dihydro-1-Benzothiepin-5(2H)-One is a high-value, specialized organic compound with a complex fused-ring structure incorporating thiophene and benzothiepin moieties. This unique molecular architecture makes it a critical advanced intermediate for the synthesis of novel pharmaceuticals and functional materials. It is primarily sought by research institutions and industrial R&D departments focused on developing new active pharmaceutical ingredients (APIs), agrochemicals, and organic electronic materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and other therapeutic areas.
• Agrochemical Research: Used in the synthesis of novel pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Material Science: Acts as a precursor for organic semiconductors, conductive polymers, and other functional materials due to its conjugated π-electron system.
• Chemical Synthesis: Employed in academic and industrial organic chemistry research for constructing complex sulfur-containing heterocycles and studying novel reaction pathways.
• Ligand & Catalyst Development: Potential use in creating specialized ligands for catalysis or metal-organic frameworks (MOFs).

Basic Information

Product Name	4-[(E)-2-Thienylmethylidene]-3,4-Dihydro-1-Benzothiepin-5(2H)-One
CAS No.	924275-80-9
Molecular Formula	C16H12OS2
Molecular Weight	284.39 g/mol
Synonyms	(E)-4-(Thiophen-2-ylmethylene)-3,4-dihydro-1-benzothiepin-5(2H)-one; 4-(2-Thienylmethylene)-3,4-dihydro-5(2H)-1-benzothiepinone; 5(2H)-1-Benzothiepinone, 3,4-dihydro-4-[(E)-2-thienylmethylene]-; 924275-80-9; 4-(Thiophen-2-ylmethylidene)-3,4-dihydro-2H-1-benzothiepin-5-one
EINECS	Contact for details

Quality Control

Our 4-[(E)-2-Thienylmethylidene]-3,4-Dihydro-1-Benzothiepin-5(2H)-One is produced under strict quality management systems. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing purity (typically by HPLC), identity confirmation (by NMR, IR, and MS), and impurity profiles are provided with every shipment to support your research and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); therefore, containers should be kept sealed under an inert atmosphere such as nitrogen or argon for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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