Description

5-Fluoro-2-((4-Fluorophenyl)Ethynyl)Benzaldehyde is a high-purity, advanced pharmaceutical intermediate featuring a unique diaryl alkyne core structure. This compound is critical for the synthesis of complex molecules, particularly in medicinal chemistry where its scaffold serves as a versatile building block for targeted drug discovery. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking to develop novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential kinase inhibitors, receptor modulators, and other small-molecule therapeutics.
• Agrochemical Research: Used in developing novel active ingredients for crop protection with potential herbicidal or fungicidal activity.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers and organic electronic materials.
• Chemical Synthesis: Acts as a versatile building block for constructing complex polycyclic aromatic structures via cyclization reactions.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and exploratory chemistry.

Basic Information

Product Name	5-Fluoro-2-((4-Fluorophenyl)Ethynyl)Benzaldehyde
CAS No.	1814960-21-8
Molecular Formula	C15H8F2O
Molecular Weight	242.22 g/mol
Synonyms	2-[(4-Fluorophenyl)ethynyl]-5-fluorobenzaldehyde; 5-Fluoro-2-[(4-fluorophenyl)ethynyl]benzaldehyde; 2-Ethynyl-4-fluoro-1-[(4-fluorophenyl)ethynyl]benzene-1-carbaldehyde; 4-Fluoro-2-((4-fluorophenyl)ethynyl)benzaldehyde; (4-Fluoro-2-((4-fluorophenyl)ethynyl)phenyl)methanone (tautomer); FPEB Aldehyde (abbrev.)
EINECS	Contact for details

Quality Control

Every batch of 5-Fluoro-2-((4-Fluorophenyl)Ethynyl)Benzaldehyde is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency meet the exacting standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon.

Specification

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