Description

2-Oxo-2H-1-Benzopyran-3-Carboxylic Acid Methyl Ester is a versatile heterocyclic organic compound that serves as a key synthetic intermediate and building block in advanced chemical synthesis. Its coumarin-based structure makes it a valuable precursor for developing pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, fine chemical, and material science industries seeking reliable and consistent raw materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly those with coumarin or chromone-based pharmacophores.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides due to its bioactive core structure.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor for electron-transport materials or emissive layer components in electronic displays and lighting.
• Fluorescent Dyes and Probes: Serves as a starting material for synthesizing coumarin-based fluorescent tags used in bioimaging and analytical chemistry.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis for creating complex molecules in research and pilot-scale production.
• Material Science Research: Investigated for use in polymer modifiers, sensors, and other advanced functional materials.

Basic Information

Product Name	2-Oxo-2H-1-Benzopyran-3-Carboxylic Acid Methyl Ester
CAS No.	21259-42-7
Molecular Formula	C11H8O4
Molecular Weight	204.18 g/mol
Synonyms	Methyl 2-oxo-2H-chromene-3-carboxylate; Methyl 2-oxo-2H-1-benzopyran-3-carboxylate; 3-Carbomethoxycoumarin; Coumarin-3-carboxylic acid methyl ester; Methyl coumarin-3-carboxylate; 2H-1-Benzopyran-3-carboxylic acid, 2-oxo-, methyl ester; 3-Methoxycarbonylcoumarin
EINECS	244-293-1

Quality Control

Our 2-Oxo-2H-1-Benzopyran-3-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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. The product is light-sensitive and should be stored away from light as indicated.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 10 ppm

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