Description

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

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with enhanced properties.
• Material Science: Serves as a precursor for organic electronic materials, such as semiconductors and light-emitting compounds.
• Chemical Synthesis: Acts as a versatile building block for introducing the benzo[b]thiophene scaffold into more complex molecules.
• Academic & R&D: Employed in medicinal chemistry and organic synthesis research for structure-activity relationship (SAR) studies.

Basic Information

Product Name	5-Fluoro-Benzo[B]Thiophene-3-Carboxylic Acid
CAS No.	70060-13-8
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-3-carboxybenzo[b]thiophene; 5-Fluoro-3-thianaphthenecarboxylic acid; 70060-13-8; 5-F-BTCA; 5-Fluorobenzo[b]thien-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Fluoro-Benzo[B]Thiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We are committed to meeting the stringent requirements of research and cGMP-grade production environments.

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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

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%

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