Description

3-(o-Ethylphenyl)-4-Hydroxy-2H-1-Benzopyran-2-One is a specialized organic compound belonging to the coumarin derivative family. This high-purity intermediate is critical for advanced synthesis in fine chemical and pharmaceutical research, where precise molecular structure is paramount. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced material sectors for constructing complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with coumarin-based scaffolds.
• Agrochemical Research: Used in developing new generation pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Fluorescent Dye & Sensor Precursor: Serves as a starting material for synthesizing advanced organic fluorophores used in biochemical assays and optical sensors.
• Fine Chemical Synthesis: Employed in custom and contract manufacturing for producing specialty chemicals with specific functional properties.
• Material Science: Investigated as a monomer or additive in the development of advanced polymers and organic electronic materials.
• Academic & Industrial R&D: Fundamental research compound for studying reaction mechanisms, photochemistry, and structure-activity relationships.

Basic Information

Product Name	3-(o-Ethylphenyl)-4-Hydroxy-2H-1-Benzopyran-2-One
CAS No.	73791-14-7
Molecular Formula	C₁₇H₁₄O₃
Molecular Weight	266.29 g/mol
Synonyms	4-Hydroxy-3-(2-ethylphenyl)-2H-chromen-2-one; 3-(2-Ethylphenyl)-4-hydroxycoumarin; 4-Hydroxy-3-(o-ethylphenyl)coumarin; NSC 339586; 2H-1-Benzopyran-2-one, 4-hydroxy-3-(2-ethylphenyl)-; 4-Hydroxy-3-(2-ethylphenyl)-2H-1-benzopyran-2-one; o-Ethylphenyl-4-hydroxycoumarin
EINECS	Contact for details

Quality Control

Our 3-(o-Ethylphenyl)-4-Hydroxy-2H-1-Benzopyran-2-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the stringent requirements of research and development applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

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.