Description

3-[(E)-(2,4-Dichlorophenyl)Methylidene]-2,3-Dihydro-4H-Chromen-4-One is a high-purity, synthetic chromen-4-one derivative, a key chemical building block valued for its defined molecular structure and reactivity. This compound is critical for research and development in advanced organic synthesis, particularly in the creation of novel heterocyclic frameworks. It is primarily utilized by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of potential drug candidates, particularly in therapeutic areas targeting inflammation or central nervous system disorders.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators, leveraging its chlorinated aromatic and chromone structure.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a precursor or dopant material in the fabrication of electron-transport or emissive layers due to its conjugated system.
• Dye & Pigment Synthesis: Acts as an intermediate for creating specialized chromophores with specific light-absorption or fluorescence properties.
• Academic & Industrial R&D: Employed in methodological studies and as a reference standard in chemical research exploring cross-coupling, condensation, or cyclization reactions.
• Material Science: Explored for incorporation into polymers or coatings to impart specific chemical or UV-related functionalities.

Basic Information

Product Name	3-[(E)-(2,4-Dichlorophenyl)Methylidene]-2,3-Dihydro-4H-Chromen-4-One
CAS No.	1705584-19-5
Molecular Formula	C16H10Cl2O2
Molecular Weight	305.16 g/mol
Synonyms	(E)-3-((2,4-Dichlorobenzylidene)chroman-4-one; 3-[(2,4-Dichlorobenzylidene)]-2,3-dihydro-4H-1-benzopyran-4-one; 2,3-Dihydro-3-[(2,4-dichlorophenyl)methylene]-4H-1-benzopyran-4-one; 4H-Chromen-4-one, 3-[(E)-(2,4-dichlorophenyl)methylene]-2,3-dihydro-; Chromone derivative CAS 1705584-19-5
EINECS	Contact for details

Quality Control

Our 3-[(E)-(2,4-Dichlorophenyl)Methylidene]-2,3-Dihydro-4H-Chromen-4-One 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 development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

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.