Description

5-Chloro-2-Ethyl-4H-Chromen-4-One (Wxc04282) is a high-purity, synthetically derived chromenone derivative, a crucial building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of novel pharmaceutical agents and functional materials. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new molecular entities with targeted biological or physical properties.

Application

• Pharmaceutical Intermediate: Serves as a key synthetic precursor for the development of new active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring chromenone-based scaffolds.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, or plant growth regulators, leveraging its heterocyclic structure for biological activity.
• Material Science: Acts as a monomer or functional component in the research of advanced polymers, dyes, or organic electronic materials due to its conjugated system.
• Chemical Biology Probe Development: Employed as a core structure for designing molecular probes and inhibitors to study enzyme function and biological pathways.
• Academic & Contract Research: Essential for universities and CROs (Contract Research Organizations) conducting fundamental research in heterocyclic and medicinal chemistry.
• Custom Synthesis: A starting material for contract manufacturing organizations (CMOs) producing bespoke compounds for client-specific projects.

Basic Information

Item	Detail
Product Name	5-Chloro-2-Ethyl-4H-Chromen-4-One (Wxc04282)
CAS No.	1899895-07-8
Molecular Formula	C11H9ClO2
Molecular Weight	208.64 g/mol
Synonyms	5-Chloro-2-ethylchromen-4-one; 5-Chloro-2-ethyl-4-chromone; 2-Ethyl-5-chloro-4H-chromen-4-one; 4H-1-Benzopyran-4-one, 5-chloro-2-ethyl-; WXC04282; Chromen-4-one, 5-chloro-2-ethyl-4H-; 1899895-07-8
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-Ethyl-4H-Chromen-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP (current Good Manufacturing Practice) standards for pharmaceutical applications, and our quality commitment ensures reliable performance in your critical synthesis workflows.

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 strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
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.