Description

3-(2-Oxo-2H-1-Benzopyran-3-Yl)Pyridine 1-Oxide is a specialized heterocyclic organic compound featuring a fused coumarin-pyridine N-oxide structure. This unique molecular architecture makes it a valuable advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry. It is primarily required by research institutions and fine chemical manufacturers engaged in the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and inflammatory pathways.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science: Acts as a building block for creating organic light-emitting diodes (OLEDs) and other functional organic materials due to its conjugated system.
• Chemical Synthesis: Employed as a versatile synthon in academic and industrial research for constructing complex nitrogen- and oxygen-containing heterocycles.
• Ligand & Catalyst Development: The pyridine N-oxide moiety makes it a candidate for developing novel ligands in coordination chemistry and catalysis.

Basic Information

Product Name	3-(2-Oxo-2H-1-Benzopyran-3-Yl)Pyridine 1-Oxide
CAS No.	958-55-4
Molecular Formula	C₁₄H₉NO₃
Molecular Weight	239.23 g/mol
Synonyms	3-(2-Oxo-2H-chromen-3-yl)pyridine 1-oxide; 3-(Coumarin-3-yl)pyridine N-oxide; 3-(2-Oxo-2H-1-benzopyran-3-yl)pyridine N-oxide; 3-Pyridylcoumarin N-oxide; 958-55-4; 3-(2-Oxochromen-3-yl)pyridine 1-oxide
EINECS	Contact for details

Quality Control

Our production of 3-(2-Oxo-2H-1-Benzopyran-3-Yl)Pyridine 1-Oxide adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Quality is verified through modern analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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