Description

3,4-Dihydro-3-Phenyl-1,4-Benzoxazepin-5(2H)-One is a high-purity organic compound belonging to the benzoxazepine class, serving as a crucial advanced pharmaceutical intermediate. Its value lies in its role as a sophisticated building block for the synthesis of novel active pharmaceutical ingredients (APIs) and other fine chemicals. This product is essential for research and development chemists, process development scientists, and manufacturers in the global pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new therapeutic agents or functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the research and production of novel drug candidates, particularly in central nervous system (CNS) and other therapeutic areas.
• Organic Synthesis Building Block: Used in complex multi-step synthesis for constructing fused heterocyclic systems due to its reactive lactam and oxazepine core.
• Medicinal Chemistry Research: Employed in structure-activity relationship (SAR) studies and library synthesis for high-throughput screening in drug discovery programs.
• Agrochemical Development: Serves as a precursor in the synthesis of new pesticides or herbicides with potential novel modes of action.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with specific optical or electronic properties.

Basic Information

Product Name	3,4-Dihydro-3-Phenyl-1,4-Benzoxazepin-5(2H)-One
CAS No.	18237-57-5
Molecular Formula	C₁₆H₁₅NO₂
Molecular Weight	253.30 g/mol
Synonyms	3-Phenyl-2,3,4,5-tetrahydro-1,4-benzoxazepin-5-one; 3-Phenyl-2,3,4,5-tetrahydro-1,5-benzoxazepin-5-one; 5(2H)-Benzoxazepinone, 3,4-dihydro-3-phenyl-; 3-Phenyl-3,4-dihydro-1,4-benzoxazepin-5(2H)-one; 3-Phenyl-3,4-dihydro-2H-1,4-benzoxazepin-5-one; 18237-57-5; Benzoxazepinone derivative
EINECS	Contact for details

Quality Control

Our 3,4-Dihydro-3-Phenyl-1,4-Benzoxazepin-5(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for pharmaceutical R&D and production. Certificates of Analysis (COA) detailing specific results for purity, related substances, and other critical parameters are provided with every shipment.

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 such as strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
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.