Description

4,5-Dihydro-1,4-Benzoxazepin-3(2H)-One is a high-purity organic compound serving as a versatile and valuable synthetic intermediate. Its unique benzoxazepinone core structure makes it a critical building block for advanced chemical synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs). This compound is essential for research and manufacturing organizations in the pharmaceutical, agrochemical, and fine chemical sectors seeking to develop new molecules with specific biological or material properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex heterocyclic compounds for potential drug discovery and development programs targeting central nervous system (CNS) disorders, inflammation, and other therapeutic areas.
• Agrochemical Research: Used as a core scaffold for creating novel pesticides, herbicides, and fungicides, contributing to the development of next-generation crop protection agents.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialty chemicals, dyes, and advanced materials requiring the benzoxazepinone moiety.
• Academic & R&D: Serves as a standard or starting material in university and institutional laboratories for methodological studies in organic chemistry and medicinal chemistry research.

Basic Information

Product Name	4,5-Dihydro-1,4-Benzoxazepin-3(2H)-One
CAS No.	34844-80-9
Molecular Formula	C9H9NO2
Molecular Weight	163.17 g/mol
Synonyms	3,4,5,6-Tetrahydro-1,4-benzoxazepin-3-one; 1,4-Benzoxazepin-3(2H)-one, 4,5-dihydro-; 4,5-Dihydro-1,4-benzoxazepin-3-one; 2,3,4,5-Tetrahydro-1,4-benzoxazepin-3-one; Benzoxazepinone derivative; 34844-80-9 (CAS)
EINECS	Contact for details

Quality Control

Every batch of 4,5-Dihydro-1,4-Benzoxazepin-3(2H)-One is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and synthesis. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and impurity profiles as determined by advanced chromatographic and spectroscopic methods.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.