Description

3-Bromo-5,6-Dihydrobenzo[B]Thiophen-7(4H)-One is a high-purity brominated dihydrobenzothiophenone derivative, serving as a critical advanced intermediate in modern organic synthesis. Its value lies in providing a versatile and reactive scaffold for constructing complex heterocyclic systems, particularly in pharmaceutical research and development. This compound is essential for chemists and manufacturers in the pharmaceutical, agrochemical, and material science industries who require precise building blocks for active ingredient synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used in developing new active ingredients for crop protection agents, leveraging its heterocyclic core structure.
• Material Science: Serves as a building block for organic electronic materials, such as semiconductors and light-emitting diodes (OLEDs), due to its fused aromatic system.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex benzothiophene-based libraries and exploring new chemical spaces.
• Ligand and Catalyst Development: Utilized as a starting material for synthesizing specialized ligands used in catalytic processes.

Basic Information

Product Name	3-Bromo-5,6-Dihydrobenzo[B]Thiophen-7(4H)-One
CAS No.	274925-56-3
Molecular Formula	C8H7BrOS
Molecular Weight	231.11 g/mol
Synonyms	3-Bromo-4,5,6,7-tetrahydro-1-benzothiophen-7-one; 3-Bromo-5,6-dihydro-4H-benzo[b]thiophen-7-one; 7(4H)-Benzothiophenone, 3-bromo-5,6-dihydro-; 3-Bromotetrahydrobenzothiophen-7-one; 3-Bromo-4,5,6,7-tetrahydrobenzo[b]thiophen-7-one
EINECS	Contact for details

Quality Control

Our 3-Bromo-5,6-Dihydrobenzo[B]Thiophen-7(4H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis applications.

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). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.