Description

3-Carbomethoxy-2-Pyrone is a versatile heterocyclic building block and fine chemical intermediate. This compound is valued for its unique lactone and ester functionalities, which enable its use in complex organic synthesis and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of active pharmaceutical ingredients (APIs), particularly for compounds containing pyrone or pyridine cores.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides, leveraging its reactivity for creating heterocyclic active ingredients.
• Organic Synthesis Building Block: Serves as a precursor for synthesizing more complex heterocyclic compounds, dyes, and functional materials.
• Chemical Research & Development: Employed in academic and industrial labs for methodological studies, catalysis research, and exploring new reaction pathways.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of certain lactone-based flavor and aroma compounds.

Basic Information

Product Name	3-Carbomethoxy-2-Pyrone
CAS No.	25991-27-9
Molecular Formula	C7H6O4
Molecular Weight	154.12 g/mol
Synonyms	Methyl 2-oxo-2H-pyran-5-carboxylate; 5-(Methoxycarbonyl)-2-pyrone; 2-Oxo-2H-pyran-5-carboxylic acid methyl ester; 3-(Methoxycarbonyl)-2-pyrone; 5-Carbomethoxy-2-pyrone; 2H-Pyran-5-carboxylic acid, 2-oxo-, methyl ester
EINECS	Contact for details

Quality Control

Our 3-Carbomethoxy-2-Pyrone is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation by atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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