Description

7-Bromobenzo[B]Thiophene-3-Carboxylic Acid is a high-purity, functionalized heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in providing a versatile scaffold for constructing complex molecules, particularly in pharmaceutical and materials science research. This compound is essential for medicinal chemists and R&D professionals developing novel active pharmaceutical ingredients (APIs), agrochemicals, and organic electronic materials.

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: Serves as a building block for developing new herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science: Used in the research and development of organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to the electron-rich thiophene core.
• Ligand Synthesis: Employed for creating specialized ligands in catalysis and metal-organic frameworks (MOFs).
• Chemical Biology: Acts as a probe or tag in biochemical research for studying protein interactions and enzyme mechanisms.
• Custom Synthesis: A critical starting material for contract research organizations (CROs) and custom synthesis houses serving the life sciences industry.

Basic Information

Product Name	7-Bromobenzo[B]Thiophene-3-Carboxylic Acid
CAS No.	19075-62-8
Molecular Formula	C9H5BrO2S
Molecular Weight	257.10 g/mol
Synonyms	7-Bromobenzo[b]thiophene-3-carboxylic acid; 3-Benzo[b]thienylcarboxylic acid, 7-bromo-; 7-Bromo-1-benzothiophene-3-carboxylic acid; 7-Bromobenzo[b]thiophene-3-carboxylate; 7-Bromo-3-carboxybenzo[b]thiophene; 19075-62-8; 7-Bromobenzo(b)thiophene-3-carboxylic acid; 7-Bromo-benzo[b]thiophene-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 7-Bromobenzo[B]Thiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, supporting its use in regulated research and development.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and consideration should be given to storage under an inert atmosphere for long-term preservation of quality.

Specification

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