Description

2-(2-Chloro-Phenyl)-2,3-Dihydro-Benzo[E][1,3]-Oxazin-4-One is a high-purity, specialized heterocyclic organic compound with the CAS number 681851-72-9. This chemical serves as a critical advanced intermediate in the synthesis of complex molecules, offering significant value in research and development. It is primarily sought after by pharmaceutical R&D laboratories and fine chemical manufacturers for the development of novel active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-infective therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic oxazinone core structure.
• Material Science Precursor: Serves as a monomer or precursor in the synthesis of specialty polymers and advanced organic materials.
• Academic & Industrial R&D: Employed in chemical research for studying heterocyclic reaction mechanisms and developing new synthetic methodologies.
• Fine Chemical Synthesis: An essential intermediate for producing complex dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	2-(2-Chloro-Phenyl)-2,3-Dihydro-Benzo[E][1,3]-Oxazin-4-One
CAS No.	681851-72-9
Molecular Formula	C₁₆H₁₀ClNO₂
Molecular Weight	283.71 g/mol
Synonyms	2-(2-Chlorophenyl)-2,3-dihydro-4H-benzo[e][1,3]oxazin-4-one; 2-(2-Chlorophenyl)-3,4-dihydro-2H-1,3-benzoxazin-4-one; 681851-72-9; Benzo[e][1,3]oxazin-4-one, 2-(2-chlorophenyl)-2,3-dihydro-; 2-(2-Chlorophenyl)-2,3-dihydro-1,3-benzoxazin-4-one
EINECS	Contact for details

Quality Control

Our 2-(2-Chloro-Phenyl)-2,3-Dihydro-Benzo[E][1,3]-Oxazin-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 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
Identification (HPLC)	Retention time matches reference standard
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.