Description

7-Hydroxy-3-(4-Nitrophenyl)-2H-Chromen-2-One is a specialized coumarin derivative characterized by its distinct nitrophenyl substitution. This compound matters as a versatile synthetic intermediate and a key structural motif for developing advanced materials and active pharmaceutical ingredients (APIs). It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and organic electronics sectors for synthesis and R&D applications.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Fluorescent Probe Development: Used in research to create sensitive fluorescent dyes and sensors for biological imaging and analytical chemistry.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor or core structure for electron-transport or emissive materials in optoelectronic devices.
• Agrochemical Research: Employed in the development of new pesticides and herbicides due to its bioactive coumarin scaffold.
• Photochemical Studies: Utilized as a model compound in academic and industrial research investigating photophysical and photochemical properties.
• Polymer Chemistry: Can be incorporated as a functional monomer to impart specific optical or chemical properties to advanced polymers.

Basic Information

Product Name	7-Hydroxy-3-(4-Nitrophenyl)-2H-Chromen-2-One
CAS No.	22074-14-2
Molecular Formula	C15H9NO5
Molecular Weight	283.24 g/mol
Synonyms	3-(4-Nitrophenyl)-7-hydroxy-2H-chromen-2-one; 7-Hydroxy-3-(4-nitrophenyl)coumarin; 4-Nitrophenyl-7-hydroxycoumarin; 7-Hydroxy-4'-nitroflavone; 2H-1-Benzopyran-2-one, 7-hydroxy-3-(4-nitrophenyl)-; NSC 403796; 22074-14-2
EINECS	Contact for details

Quality Control

Our 7-Hydroxy-3-(4-Nitrophenyl)-2H-Chromen-2-One is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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 in a dry environment to prevent degradation.

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	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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