Description

5H-Benzo[B]Pyrido[4,3-E][1,4]Oxazine (CAS NO 261-80-3) is a high-purity, fused heterocyclic compound belonging to the oxazine class, serving as a critical advanced intermediate in organic synthesis. Its unique polycyclic structure makes it a valuable building block for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used as a core scaffold for developing new pesticides and herbicides with enhanced efficacy and selectivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport or host materials in the fabrication of advanced OLED displays and lighting.
• Dye and Pigment Synthesis: Employed in the creation of specialized dyes and pigments due to its conjugated ring system that can be functionalized to alter light absorption properties.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological studies in heterocyclic chemistry and the development of new synthetic routes.
• Material Science: Investigated for use in the development of organic semiconductors, conductive polymers, and other advanced functional materials.

Basic Information

Product Name	5H-Benzo[B]Pyrido[4,3-E][1,4]Oxazine
CAS No.	261-80-3
Molecular Formula	C11H8N2O
Molecular Weight	184.20 g/mol
Synonyms	5H-Benzo[b]pyrido[4,3-e][1,4]oxazine; Benzo[b]pyrido[4,3-e][1,4]oxazine, 5H-; 5H-Benzo[b]pyrido[4,3-e]-1,4-oxazine; 1,4-Oxazine, 5H-benzo[b]pyrido[4,3-e]-; 5H-Benzo[b]pyrido[4,3-e]oxazine; 261-80-3; Benzo[b]pyrido[4,3-e]oxazine
EINECS	Contact for details

Quality Control

Our 5H-Benzo[B]Pyrido[4,3-E][1,4]Oxazine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications 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 a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.