Description

9,10-Dibromo-9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophene-4-One is a high-value, multi-functional brominated organic intermediate with a complex fused-ring structure. This compound is critical for research and development in advanced material science and pharmaceutical chemistry, where its unique molecular architecture serves as a versatile building block. It is primarily sought after by R&D chemists and process development scientists in the fine chemical, agrochemical, and advanced organic electronics sectors.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides and fungicides, leveraging its bromine atoms for further functionalization.
• Organic Electronic Materials: Acts as a core structure for developing organic semiconductors, charge-transport materials, and non-linear optical (NLO) materials due to its extended π-conjugated system.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create sophisticated ligands for transition metal catalysts used in cross-coupling reactions.
• Polymer Modification: Functions as a specialty monomer or cross-linking agent for creating high-performance polymers with enhanced thermal stability or flame-retardant properties.
• Dye and Pigment Research: Investigated as an intermediate for synthesizing novel heterocyclic dyes and pigments with specific light-absorption characteristics.

Basic Information

Product Name	9,10-Dibromo-9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophene-4-One
CAS No.	34580-10-4
Molecular Formula	C15H8Br2OS
Molecular Weight	396.09 g/mol
Synonyms	9,10-Dibromobenzo[4,5]cyclohepta[1,2-b]thiophen-4(10H)-one; 9,10-Dibromo-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-one; DBCT; 34580-10-4; Dibromobenzocycloheptathiophenone; Benzo[4,5]cyclohepta[1,2-b]thiophen-4-one, 9,10-dibromo-9,10-dihydro-
EINECS	Contact for details

Quality Control

Our production of 9,10-Dibromo-9,10-Dihydro-4H-Benzo(4,5)Cyclohepta(1,2-B)Thiophene-4-One adheres to stringent in-process controls and final batch testing to ensure consistent purity and identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality management system is designed to support cGMP and ISO standards for traceability and reproducibility, making this material suitable for demanding R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to prevent moisture absorption and contamination. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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