Description

5-Bromo-6,7-Dihydrobenzo[B]Thiophen-4(5H)-One is a versatile brominated heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its role as a key intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research chemists and process development scientists for constructing novel active pharmaceutical ingredients (APIs) and other fine chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its unique brominated thiophene scaffold.
• Material Science: Serves as a building block for organic semiconductors, conductive polymers, and other advanced functional materials.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex heterocyclic frameworks and exploring new reaction pathways.
• Ligand and Catalyst Development: Useful for creating specialized ligands in transition metal catalysis and organocatalysis.

Basic Information

Product Name	5-Bromo-6,7-Dihydrobenzo[B]Thiophen-4(5H)-One
CAS No.	2513-49-7
Molecular Formula	C8H7BrOS
Molecular Weight	231.11 g/mol
Synonyms	5-Bromo-4,5,6,7-tetrahydrobenzo[b]thiophen-4-one; 5-Bromo-4,5,6,7-tetrahydro-1-benzothiophen-4-one; 5-Bromo-6,7-dihydro-4H-benzo[b]thiophen-4-one; 4(5H)-Benzothiophenone, 5-bromo-6,7-dihydro-; 5-Bromo-4,5,6,7-tetrahydrobenzo[b]thiophene-4-one
EINECS	Contact for details

Quality Control

Our production of 5-Bromo-6,7-Dihydrobenzo[B]Thiophen-4(5H)-One adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 place at room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

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%
Heavy Metals	≤ 20 ppm

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