Description

4-Ethyl-7-Hydroxy-3-(p-Methoxyphenyl)-Dihydro-1-Benzopyran-2-One is a specialized organic compound belonging to the dihydrocoumarin class, characterized by its distinct ethyl, hydroxy, and methoxyphenyl substituents. This compound is valued as a key synthetic intermediate and building block in advanced organic synthesis, offering a versatile scaffold for the development of complex molecules. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, or plant growth regulators with enhanced efficacy.
• Fine Chemical Synthesis: Acts as a versatile intermediate for creating complex fragrance compounds, dyes, and other specialty chemicals.
• Academic & Industrial R&D: Employed in research laboratories for methodological studies, catalysis development, and exploring new chemical reactions.
• Material Science Precursor: Investigated for the synthesis of organic electronic materials or advanced polymers with specific optical properties.

Basic Information

Product Name	4-Ethyl-7-Hydroxy-3-(p-Methoxyphenyl)-Dihydro-1-Benzopyran-2-One
CAS No.	5219-17-0
Molecular Formula	C18H18O4
Molecular Weight	298.33 g/mol
Synonyms	4-Ethyl-7-hydroxy-3-(4-methoxyphenyl)-3,4-dihydro-2H-1-benzopyran-2-one; 3-(4-Methoxyphenyl)-4-ethyl-7-hydroxy-3,4-dihydrocoumarin; 4-Ethyl-7-hydroxy-3-(4-methoxyphenyl)chroman-2-one; 7-Hydroxy-4-ethyl-3-(p-methoxyphenyl)-3,4-dihydrocoumarin; 4-Ethyl-7-hydroxy-3-(4'-methoxyphenyl)dihydrocoumarin; Dihydrocoumarin derivative (CAS 5219-17-0); 3,4-Dihydro-4-ethyl-7-hydroxy-3-(4-methoxyphenyl)-2H-1-benzopyran-2-one
EINECS	Contact for details

Quality Control

Our 4-Ethyl-7-Hydroxy-3-(p-Methoxyphenyl)-Dihydro-1-Benzopyran-2-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment supports research and development requiring high-purity, well-characterized intermediates for reliable and reproducible results.

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 incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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