Description

2-(4-Nitrophenyl)-2,3-Dihydro-4H-1-Benzopyran-4-One is a specialized organic compound belonging to the chromone class, characterized by a nitrophenyl substituent which imparts unique electronic and photophysical properties. This compound serves as a critical synthetic intermediate and a versatile scaffold for the development of novel chemical entities. It is primarily utilized by pharmaceutical R&D and advanced material science sectors for applications ranging from medicinal chemistry to organic electronics.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly those targeting inflammation, cancer, and CNS disorders.
• Organic Light-Emitting Diode (OLED) Research: Acts as a precursor or core structure for developing novel electron-transport or emissive materials.
• Fluorescent Probe & Dye Synthesis: Utilized in creating chromone-based fluorescent markers for bio-imaging and sensor applications.
• Agrochemical Development: Intermediate in the research and synthesis of new pesticides and herbicides.
• Academic & Industrial Research: Serves as a standard or starting material in organic synthesis and heterocyclic chemistry studies.
• Material Science: Investigated for use in nonlinear optical (NLO) materials and photochromic systems.

Basic Information

Product Name	2-(4-Nitrophenyl)-2,3-Dihydro-4H-1-Benzopyran-4-One
CAS No.	3034-09-1
Molecular Formula	C₁₅H₁₁NO₄
Molecular Weight	269.25 g/mol
Synonyms	4H-1-Benzopyran-4-one, 2-(4-nitrophenyl)-2,3-dihydro-; 2-(4-Nitrophenyl)chroman-4-one; 2-(p-Nitrophenyl)-2,3-dihydro-4H-chromen-4-one; 2-(4-Nitrophenyl)-4-chromanone; 4-Oxo-2-(4-nitrophenyl)-2,3-dihydro-4H-chromene; NSC 403697; Chromone derivative, nitrophenyl-substituted
EINECS	Contact for details

Quality Control

Our 2-(4-Nitrophenyl)-2,3-Dihydro-4H-1-Benzopyran-4-One 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. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring traceability and reliability for critical research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is light-sensitive; prolonged exposure to light should be avoided to prevent decomposition. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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