Description

Benzo[B]Thiophene, 4-Fluoro- (9Ci) is a high-purity fluorinated heterocyclic building block, identified by CAS NO 310466-38-7. This compound is valued for its role as a key synthetic intermediate in advanced organic chemistry, enabling the introduction of the benzo[b]thiophene scaffold with a strategic fluorine substituent. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting kinase inhibitors and central nervous system (CNS) agents.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and pesticides, where the fluorine atom enhances biological activity and metabolic stability.
• Material Science Precursor: Employed in the synthesis of organic semiconductors, charge-transport materials, and fluorescent dyes for optoelectronic devices.
• Chemical Biology Probe Development: Acts as a scaffold for creating molecular probes and tags used in biochemical assays and diagnostic research.
• Academic & Industrial R&D: A versatile reagent for method development and exploring new reactions in fluorine chemistry and heterocyclic synthesis.

Basic Information

Product Name	Benzo[B]Thiophene, 4-Fluoro- (9Ci)
CAS No.	310466-38-7
Molecular Formula	C8H5FS
Molecular Weight	152.19 g/mol
Synonyms	4-Fluorobenzo[b]thiophene; 4-Fluoro-1-benzothiophene; 4-Fluorobenzo[b]thiophene; 4-Fluoro-benzo[b]thiophene; 4-FBT; 4-Fluorobenzo(b)thiophene; 4-Fluorobenzo(b)thienyl; 4-Fluorobenzo[b]thiophene (9CI)
EINECS	Contact for details

Quality Control

We supply Benzo[B]Thiophene, 4-Fluoro- (9Ci) in high-purity grades suitable for research and development. Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request. We adhere to strict in-house quality management protocols to meet the exacting requirements of our global B2B clientele.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
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.