Description

3-[(E)-(3-Chlorophenyl)Methylidene]-2,3-Dihydro-4H-Chromen-4-One is a high-purity chromenone derivative, a key synthetic intermediate in advanced organic chemistry. Its value lies in its unique molecular scaffold, which serves as a versatile building block for constructing complex heterocyclic compounds. This product is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a starting material for synthesizing specialized chromophores and electron-transport materials in optoelectronic applications.
• Material Science: Employed in the development of advanced polymers, liquid crystals, and other functional materials requiring specific chromenone-based structures.
• Academic & Contract Research: A valuable reagent for universities and CROs (Contract Research Organizations) conducting fundamental research in synthetic methodology and heterocyclic chemistry.
• Chemical Library Synthesis: Used for the parallel and combinatorial synthesis of diverse compound libraries for high-throughput screening in drug discovery.

Basic Information

Product Name	3-[(E)-(3-Chlorophenyl)Methylidene]-2,3-Dihydro-4H-Chromen-4-One
CAS No.	1262616-91-0
Molecular Formula	C16H11ClO2
Molecular Weight	270.71 g/mol
Synonyms	(E)-3-(3-Chlorobenzylidene)chroman-4-one; 3-[(E)-(3-Chlorobenzylidene)]-2,3-dihydro-4H-1-benzopyran-4-one; 3-(3-Chlorobenzylidene)chroman-4-one; 4H-Chromen-4-one, 2,3-dihydro-3-[(E)-(3-chlorophenyl)methylene]-; 3-(3-Chlorobenzylidene)-4-chromanone; Chromenone derivative CAS 1262616-91-0
EINECS	Contact for details

Quality Control

Our 3-[(E)-(3-Chlorophenyl)Methylidene]-2,3-Dihydro-4H-Chromen-4-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the stringent requirements for 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). Keep away from heat, sparks, and open flame. The compound is light-sensitive (store away from light).

Specification

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

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