Description

Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-4-Fluoro- (9Ci) is a high-purity, halogenated heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its precise molecular architecture, which serves as a critical scaffold for constructing complex molecules with targeted biological or material properties. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammatory diseases, and oncology.
• Agrochemical Research: Serves as a building block for developing new-generation herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Material Science: Used in the research and development of organic electronic materials, such as semiconductors for OLEDs (Organic Light-Emitting Diodes) and OFETs (Organic Field-Effect Transistors).
• Chemical Synthesis: Acts as a versatile synthon for introducing the benzo[b]thiophene core into more complex molecular structures for various research applications.
• Ligand and Catalyst Development: Employed in the design of specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-4-Fluoro- (9Ci)
CAS No.	588676-90-8
Molecular Formula	C9H4ClFO2S
Molecular Weight	230.64 g/mol
Synonyms	3-Chloro-4-fluorobenzo[b]thiophene-2-carboxylic acid; 3-Chloro-4-fluoro-1-benzothiophene-2-carboxylic acid; 3-Chloro-4-fluorobenzo[b]thiophene-2-carboxylic acid (9CI); 2-Benzothiophenecarboxylic acid, 3-chloro-4-fluoro-; 588676-90-8; 3-Chloro-4-fluoro-benzo[b]thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our Benzo[B]Thiophene-2-Carboxylic Acid, 3-Chloro-4-Fluoro- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to ISO 9001 quality management principles, and our analytical methods, including HPLC, GC, and NMR, are validated to provide reliable data for our global clientele.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent, ensure containers are properly sealed to prevent moisture absorption and are handled with appropriate personal protective equipment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.