Description

9-Bromo-2,3,4,5-tetrahydro-1-benzoxepin-5-one is a versatile brominated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of complex pharmaceutical molecules and novel materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing fused ring systems and introducing functional handles for further derivatization.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of novel active ingredients for crop protection products.
• Material Science: Acts as a building block for creating specialized polymers and organic electronic materials.
• Chemical Biology: Employed in the synthesis of molecular probes and tool compounds for biological target validation.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological development and exploration of new chemical spaces.
• Custom Synthesis: A starting point for the bespoke production of complex, high-value fine chemicals.

Basic Information

Product Name	9-Bromo-2,3,4,5-tetrahydro-1-benzoxepin-5-one
CAS No.	1094432-96-8
Molecular Formula	C10H9BrO2
Molecular Weight	241.08 g/mol
Synonyms	9-Bromo-2,3,4,5-tetrahydro-1-benzoxepin-5-one; 9-Bromo-5-oxo-2,3,4,5-tetrahydro-1-benzoxepine; 1-Benzoxepin-5-one, 9-bromo-2,3,4,5-tetrahydro-; 9-Bromo-2,3,4,5-tetrahydrobenzo[b]oxepin-5-one
EINECS	Contact for details

Quality Control

Our 9-Bromo-2,3,4,5-tetrahydro-1-benzoxepin-5-one is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee it meets the stringent requirements for research and development applications.

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). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.