Description

Ethyl 2-Oxo-5,6,7,8-Tetrahydro-2H-Chromene-3-Carboxylate is a high-purity organic compound belonging to the chromene (benzopyran) class, serving as a versatile and critical chemical building block for advanced synthesis. Its value lies in its unique fused-ring structure, which makes it an essential intermediate for developing complex molecules in research and industrial chemistry. This product is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers engaged in creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system and cardiovascular diseases.
• Organic Synthesis Building Block: Used in constructing complex heterocyclic frameworks for medicinal chemistry and material science research.
• Agrochemical Research: Serves as an intermediate in developing new generation pesticides and herbicides with enhanced efficacy.
• Dye and Pigment Synthesis: Acts as a starting material for creating specialized chromophores with specific optical properties.
• Flavor and Fragrance Industry: Utilized in the synthesis of complex aroma chemicals due to its bicyclic structure.
• Academic and R&D Laboratories: Employed in methodological studies and as a standard for analytical method development.

Basic Information

Item	Detail
Product Name	Ethyl 2-Oxo-5,6,7,8-Tetrahydro-2H-Chromene-3-Carboxylate
CAS No.	66979-47-3
Molecular Formula	C₁₂H₁₄O₄
Molecular Weight	222.24 g/mol
Synonyms	Ethyl 2-Oxo-2H-5,6,7,8-tetrahydrochromene-3-carboxylate; Ethyl 2-Oxo-5,6,7,8-tetrahydro-2H-1-benzopyran-3-carboxylate; 3-Carbethoxy-5,6,7,8-tetrahydrocoumarin; 5,6,7,8-Tetrahydro-3-carbethoxycoumarin; Ethyl 5,6,7,8-tetrahydro-2-oxo-2H-chromene-3-carboxylate; 3-Ethoxycarbonyl-5,6,7,8-tetrahydrocoumarin
EINECS	Contact for details

Quality Control

Our Ethyl 2-Oxo-5,6,7,8-Tetrahydro-2H-Chromene-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets precise customer specifications and high industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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	≤ 10 ppm

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