Description

2-(4-Ethoxyphenyl)-4-Oxo-4H-Chromen-3-Yl 2,5-Dichlorobenzenesulfonate is a high-purity, synthetic organic compound belonging to the chromone sulfonate ester class, serving as a critical advanced intermediate for research and development. Its value lies in its unique molecular architecture, which combines a chromone core with a substituted benzenesulfonate group, making it a versatile building block for creating novel chemical entities. This compound is primarily needed by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers focused on developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for therapeutic areas targeting inflammation, oncology, or CNS disorders.
• Agrochemical Research: Used in developing new generation pesticides, herbicides, or plant growth regulators due to its bioactive chromone scaffold.
• Chemical Biology Probe: Serves as a precursor for designing enzyme inhibitors or molecular probes to study biological pathways.
• Material Science: Potential intermediate for synthesizing specialty polymers or organic electronic materials with specific optical properties.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and CRO settings.
• Custom Synthesis: Starting material for the contract manufacturing of complex, proprietary molecules for client-specific applications.

Basic Information

Product Name	2-(4-Ethoxyphenyl)-4-Oxo-4H-Chromen-3-Yl 2,5-Dichlorobenzenesulfonate
CAS No.	298217-82-0
Molecular Formula	C23H16Cl2O6S
Molecular Weight	491.34 g/mol
Synonyms	3-[(2,5-Dichlorophenyl)sulfonyloxy]-2-(4-ethoxyphenyl)-4H-chromen-4-one; 2-(4-Ethoxyphenyl)-4-oxo-4H-chromen-3-yl 2,5-dichlorobenzenesulfonate; Chromone-3-yl 2,5-dichlorobenzenesulfonate derivative; 4-Oxo-2-(p-ethoxyphenyl)-4H-chromen-3-yl 2,5-dichlorobenzenesulfonate; Benzenesulfonic acid, 2,5-dichloro-, 2-(4-ethoxyphenyl)-4-oxo-4H-chromen-3-yl ester
EINECS	Contact for details

Quality Control

Every batch of 2-(4-Ethoxyphenyl)-4-Oxo-4H-Chromen-3-Yl 2,5-Dichlorobenzenesulfonate is manufactured under strict quality management systems. Our products undergo rigorous quality testing using advanced analytical techniques like HPLC, GC, and NMR to ensure compliance with stringent purity specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency for your critical R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.