Description

4-Chloro-7-Hydroxy-2H-Chromen-2-One is a high-purity chromenone derivative, a key synthetic intermediate in advanced organic chemistry. This compound is valued for its precise molecular structure, which serves as a crucial building block in the development of complex active pharmaceutical ingredients (APIs) and specialty fine chemicals. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors for synthesis and process development.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those with chromenone or coumarin-based scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Serves as a versatile starting material for constructing more complex heterocyclic compounds in academic and industrial R&D.
• Fluorescent Probe Development: Potential use in creating molecular probes and sensors due to the inherent photophysical properties of the chromenone core.
• Material Science: Investigated for incorporation into organic electronic materials and advanced polymers.

Basic Information

Product Name	4-Chloro-7-Hydroxy-2H-Chromen-2-One
CAS No.	848939-31-1
Molecular Formula	C9H5ClO3
Molecular Weight	196.59 g/mol
Synonyms	4-Chloro-7-hydroxycoumarin; 7-Hydroxy-4-chlorocoumarin; 4-Chloro-7-hydroxy-2H-1-benzopyran-2-one; 4-Chloro-7-hydroxy-2H-chromen-2-one; 4-Chloro-7-hydroxy-2H-1-benzopyran-2-one; 848939-31-1; 4-Chloro-7-HOC
EINECS	Contact for details

Quality Control

Our 4-Chloro-7-Hydroxy-2H-Chromen-2-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with each 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). Keep away from incompatible materials.

Specification

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