Description

2H-Chromene-3-Carboxylic Acid Ethyl Ester is a versatile organic building block and key chromene derivative. This compound matters as a crucial synthetic intermediate for developing complex molecules in pharmaceutical and agrochemical research. It is needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for constructing heterocyclic frameworks.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of novel drug candidates, particularly in therapeutic areas targeting inflammation and CNS disorders.
• Agrochemical Synthesis: Used in the research and development of new active ingredients for crop protection products.
• Organic Synthesis Building Block: A valuable precursor for constructing complex heterocyclic compounds and natural product analogs in academic and industrial laboratories.
• Material Science Research: Investigated as a monomer or precursor for developing specialty polymers and advanced organic materials with specific optical properties.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized chromophores for high-value applications.
• Flavor & Fragrance Chemistry: Acts as a key intermediate for creating complex aroma chemicals and synthetic flavors.

Basic Information

Product Name	2H-Chromene-3-Carboxylic Acid Ethyl Ester
CAS No.	57543-58-5
Molecular Formula	C₁₂H₁₂O₃
Molecular Weight	204.22 g/mol
Synonyms	Ethyl 2H-Chromene-3-carboxylate; Ethyl 2H-1-Benzopyran-3-carboxylate; 3-Carbethoxy-2H-chromene; 2H-1-Benzopyran-3-carboxylic acid, ethyl ester; Ethyl coumarin-3-carboxylate (related structure); Chromene-3-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 2H-Chromene-3-Carboxylic Acid Ethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

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%

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