Description

7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one is a versatile brominated heterocyclic building block of significant interest in advanced organic synthesis. Its core structure makes it a valuable precursor for the development of novel pharmacologically active compounds, particularly in medicinal chemistry research. This high-purity intermediate is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides, leveraging its bioactive heterocyclic scaffold.
• Material Science Research: Serves as a building block for organic electronic materials, such as OLEDs and conductive polymers.
• Dye and Pigment Chemistry: Acts as a precursor in the synthesis of specialized dyes and functional colorants.
• Academic & Industrial R&D: Employed in methodological studies and as a standard in heterocyclic and cross-coupling chemistry.
• Ligand and Catalyst Development: Useful for constructing complex chelating ligands in coordination chemistry and catalysis.

Basic Information

Product Name	7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one
CAS No.	321436-06-0
Molecular Formula	C8H6BrNO2
Molecular Weight	228.05 g/mol
Synonyms	7-Bromo-3,4-dihydro-2H-1,4-benzoxazin-3-one; 7-Bromo-2H-1,4-benzoxazin-3(4H)-one; 3,4-Dihydro-7-bromo-2H-1,4-benzoxazin-3-one; 7-Bromo-3,4-dihydro-1,4-benzoxazin-3-one; 7-Bromobenzoxazinone; 7-Bromo-2H-benzo[b][1,4]oxazin-3-one
EINECS	Contact for details

Quality Control

Our 7-Bromo-2H-benzo[b][1,4]oxazin-3(4H)-one is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for applications requiring the highest level of quality assurance.

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, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

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