Description

3-Oxo-3,4-Dihydro-2H-Benzo[B][1,4]Oxazine-8-Carbaldehyde is a high-purity organic building block characterized by its fused oxazine ring system and reactive aldehyde functionality. This compound matters as a versatile and critical intermediate for synthesizing complex heterocyclic molecules in advanced pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, particularly in the areas of medicinal chemistry and crop protection.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic scaffold.
• Material Science Research: Acts as a monomer or functionalizing agent in the creation of specialty polymers and organic electronic materials.
• Chemical Biology Probes: Utilized to develop molecular probes and inhibitors for studying enzyme function and biological pathways.
• Academic & Contract Research: Essential for synthetic methodology development and exploring new chemical spaces in university and CRO laboratories.

Basic Information

Product Name	3-Oxo-3,4-Dihydro-2H-Benzo[B][1,4]Oxazine-8-Carbaldehyde
CAS No.	935758-15-9
Molecular Formula	C9H7NO3
Molecular Weight	177.16 g/mol
Synonyms	8-Formyl-3,4-dihydro-2H-1,4-benzoxazin-3-one; 2H-1,4-Benzoxazin-3(4H)-one, 8-formyl-; 3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-8-carboxaldehyde; 8-Carbaldehyde-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine; 935758-15-9; Benzo[b][1,4]oxazine-8-carbaldehyde, 3,4-dihydro-3-oxo-; 3,4-Dihydro-3-oxo-2H-1,4-benzoxazine-8-carbaldehyde
EINECS	Contact for details

Quality Control

Our 3-Oxo-3,4-Dihydro-2H-Benzo[B][1,4]Oxazine-8-Carbaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is easily oxidized and should be handled under an inert atmosphere for long-term storage or after opening to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.