Description

2H-1-Benzopyran-2-One, 4-(4-Chlorophenyl)-3,4-Dihydro- is a specialized organic compound belonging to the dihydrocoumarin class, featuring a chlorophenyl substituent that imparts unique chemical properties. This compound is valued for its role as a versatile synthetic intermediate in advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders or possessing anti-inflammatory activity.
• Agrochemical Research: Serves as a precursor in the development of new herbicides, fungicides, or plant growth regulators, leveraging its fused heterocyclic core.
• Organic Synthesis: Used in academic and industrial laboratories for methodological studies, including cyclization reactions, asymmetric synthesis, and the exploration of new catalytic processes.
• Material Science Precursor: Investigated for the synthesis of organic electronic materials or advanced polymers where the benzopyranone scaffold can influence optical and electronic properties.
• Biochemical Probe Development: Utilized in medicinal chemistry to create tool compounds for probing enzyme function or biological pathways.

Basic Information

Product Name	2H-1-Benzopyran-2-One, 4-(4-Chlorophenyl)-3,4-Dihydro-
CAS No.	860256-40-2
Molecular Formula	C15H11ClO2
Molecular Weight	258.70 g/mol
Synonyms	4-(4-Chlorophenyl)-3,4-dihydro-2H-1-benzopyran-2-one; 4-(4-Chlorophenyl)-3,4-dihydrocoumarin; 4-(p-Chlorophenyl)dihydrocoumarin; 3,4-Dihydro-4-(4-chlorophenyl)-2H-1-benzopyran-2-one; 4-(4-Chlorophenyl)chroman-2-one; Dihydrocoumarin, 4-(4-chlorophenyl)-; 860256-40-2
EINECS	Contact for details

Quality Control

Our 2H-1-Benzopyran-2-One, 4-(4-Chlorophenyl)-3,4-Dihydro- is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory documentation needs.

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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.