Description

5-Fluoro-Benzo[B]Thiophene-3-Carboxylic Acid is a high-purity fluorinated heterocyclic building block essential for advanced organic synthesis. This compound is valued for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of 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 the fluorine atom for enhanced biological activity and metabolic stability.
• Material Science: Serves as a building block for organic semiconductors, liquid crystals, and other functional materials requiring specific electronic properties.
• Chemical Synthesis: Acts as a versatile scaffold for further functionalization, enabling the creation of diverse chemical libraries for screening and discovery.

Basic Information

Product Name	5-Fluoro-Benzo[B]Thiophene-3-Carboxylic Acid
CAS No.	40740-57-6
Molecular Formula	C9H5FO2S
Molecular Weight	196.20 g/mol
Synonyms	5-Fluorobenzo[b]thiophene-3-carboxylic acid; 5-Fluoro-1-benzothiophene-3-carboxylic acid; 5-Fluoro-benzo[b]thiophene-3-carboxylic acid; 3-Carboxy-5-fluorobenzo[b]thiophene; 5-Fluorobenzo[b]thienyl-3-carboxylic acid; 40740-57-6; 5-Fluoro-3-benzothiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is analyzed to confirm identity, purity, and impurity profile. Certificates of Analysis (COA) detailing results from HPLC, NMR, and other relevant analytical methods are available upon request. We adhere to strict quality management protocols suitable for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its nature as a strong acid/organic solvent, keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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