Description

3-Chlorocoumarin is a versatile halogenated coumarin derivative, serving as a key synthetic intermediate in advanced organic chemistry. Its value lies in its reactive chloromethyl group and fused benzopyrone structure, enabling the construction of complex heterocyclic systems and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or advanced organic compounds.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates, particularly those with coumarin-based scaffolds possessing potential biological activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport materials or host materials in the fabrication of OLED devices.
• Fluorescent Dyes and Probes: Acts as a starting material for synthesizing coumarin-based fluorescent tags and sensors used in bioimaging and analytical chemistry.
• Complex Heterocycle Construction: Employed in organic synthesis to create fused-ring systems and complex molecular architectures via various coupling and cyclization reactions.
• Polymer and Material Science: Can be incorporated into polymers or used to modify surfaces to impart specific optical or chemical properties.

Basic Information

Product Name	3-Chlorocoumarin
CAS No.	92-45-5
Molecular Formula	C9H5ClO2
Molecular Weight	180.59 g/mol
Synonyms	3-Chloro-2H-chromen-2-one; 3-Chloro-1-benzopyran-2-one; 3-Chloro-2H-1-benzopyran-2-one; 3-Chlorocumarin; 3-Chloro-2-oxo-2H-chromene; 2H-1-Benzopyran-2-one, 3-chloro-; 3-Chloro-2H-chromen-2-on; 3-Cl-Coumarin
EINECS	202-154-1

Quality Control

Our 3-Chlorocoumarin is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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