Description

7-Fluoro-3,4-Dihydro-1-Benzoxepin-5(2H)-One is a high-purity fluorinated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile intermediate, enabling the construction of complex molecular architectures for research and development. It is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers focused on developing novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the development of advanced herbicides and pesticides, leveraging the fluorine atom for enhanced bioactivity and metabolic stability.
• Material Science Research: Serves as a precursor for novel fluorinated polymers or liquid crystals with unique optical and electronic properties.
• Academic & Contract Research: Employed in universities and CROs (Contract Research Organizations) for methodological studies and the synthesis of complex heterocyclic libraries.
• Fluorine Chemistry: Acts as a model substrate for studying fluorination reactions and the effects of fluorine substitution on benzoxepin ring systems.

Basic Information

Product Name	7-Fluoro-3,4-Dihydro-1-Benzoxepin-5(2H)-One
CAS No.	774-20-9
Molecular Formula	C10H9FO2
Molecular Weight	180.18 g/mol
Synonyms	7-Fluoro-2,3,4,5-tetrahydro-1-benzoxepin-5-one; 5(2H)-Benzoxepinone, 7-fluoro-3,4-dihydro-; 7-Fluoro-3,4-dihydro-5H-1-benzoxepin-5-one; 7-Fluoro-2,3,4,5-tetrahydro-1-benzoxepin-5-one; 7-Fluoro-5H-1-benzoxepin-5-one, 3,4-dihydro-; 7-Fluorodihydrobenzoxepinone
EINECS	Contact for details

Quality Control

Our 7-Fluoro-3,4-Dihydro-1-Benzoxepin-5(2H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. 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)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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