Description

7-Bromo-3,4-Dihydro-2H-Benzo[B]Oxepin-5-One is a high-purity, versatile brominated oxepinone derivative that serves as a critical building block in advanced organic synthesis. Its unique fused ring structure and reactive bromine substituent make it an invaluable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Organic Synthesis Building Block: Utilized in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) and nucleophilic substitution reactions to introduce the benzoxepinone moiety into more complex molecules.
• Agrochemical Research: Employed in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic core.
• Material Science: Serves as a monomer or precursor for synthesizing specialized polymers and organic electronic materials.
• Academic & R&D: Used in methodological studies and as a standard in analytical chemistry within university and corporate research laboratories.

Basic Information

Product Name	7-Bromo-3,4-Dihydro-2H-Benzo[B]Oxepin-5-One
CAS No.	55580-08-0
Molecular Formula	C10H9BrO2
Molecular Weight	241.08 g/mol
Synonyms	7-Bromo-3,4-dihydro-2H-1-benzoxepin-5-one; 5-Oxo-3,4-dihydro-2H-benzo[b]oxepin-7-yl bromide; 7-Bromodihydrobenzoxepin-5-one; 2H-Benzo[b]oxepin-5-one, 7-bromo-3,4-dihydro-; 7-Bromo-5-oxo-3,4-dihydro-2H-benzo[b]oxepine
EINECS	Contact for details

Quality Control

Our 7-Bromo-3,4-Dihydro-2H-Benzo[B]Oxepin-5-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles as determined by advanced analytical techniques including HPLC, GC, and NMR. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your most critical synthesis steps.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed when not in use to protect from moisture.

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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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