Description

2-(4-Methoxyphenyl)-3-Nitro-2H-Chromene is a specialized organic compound belonging to the chromene (benzopyran) class, characterized by its nitro and methoxyphenyl substituents which confer unique photophysical and chemical reactivity. This compound serves as a critical synthetic intermediate and a versatile scaffold in advanced materials science and pharmaceutical research. It is primarily sought by R&D chemists and process development teams in the fine chemical, agrochemical, and pharmaceutical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting neurological and inflammatory pathways.
• Organic Light-Emitting Diode (OLED) Research: Used as a precursor or core structure in the development of electron-transport materials and emissive layers due to its chromene backbone.
• Photochromic Material Development: Serves as a model compound for studying light-induced reversible color changes, applicable in smart lenses and optical data storage.
• Agrochemical Synthesis: Intermediate in the production of advanced pesticides and herbicides, leveraging its bioactive scaffold.
• Academic & Industrial R&D: Utilized in methodological studies for nitro-group transformations and ring-closure reactions in synthetic organic chemistry.
• Dye and Pigment Intermediate: Acts as a precursor for synthesizing specialized nitro-aromatic dyes with specific color fastness and properties.

Basic Information

Product Name	2-(4-Methoxyphenyl)-3-Nitro-2H-Chromene
CAS No.	57544-02-2
Molecular Formula	C₁₆H₁₃NO₄
Molecular Weight	283.28 g/mol
Synonyms	3-Nitro-2-(4-methoxyphenyl)-2H-1-benzopyran; 2H-1-Benzopyran, 3-nitro-2-(4-methoxyphenyl)-; 2-(4-Methoxyphenyl)-3-nitro-2H-1-benzopyran; 3-Nitro-2-(p-methoxyphenyl)chromene; 57544-02-2; p-Methoxyphenyl 3-nitrochromene
EINECS	Contact for details

Quality Control

Our 2-(4-Methoxyphenyl)-3-Nitro-2H-Chromene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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). Keep away from heat, sparks, and open flame. This compound is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent potential degradation.

Specification

Item	Specification
Appearance	Yellow to orange 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%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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