Description

2H-Pyran-5-Carboxylicacid,2-Ethoxy-3,4-Dihydro-4-Oxo-,Methylester(9Ci) is a high-purity, specialized heterocyclic building block with significant synthetic utility. This compound is valued for its role as a key intermediate in the development of complex organic molecules, particularly in pharmaceutical and agrochemical research. It is essential for chemists and R&D teams in fine chemical synthesis, medicinal chemistry, and advanced material science who require reliable, high-quality intermediates for complex multi-step reactions.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with pyran or dihydropyran core structures.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and fungicides where its specific heterocyclic framework imparts desired biological activity.
• Fine Chemical Production: Serves as a versatile precursor in custom synthesis and contract manufacturing for specialty chemicals.
• Medicinal Chemistry & Drug Discovery: Employed in lead optimization and structure-activity relationship (SAR) studies to explore new chemical entities.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new synthetic pathways in organic chemistry laboratories.
• Material Science Research: Potential intermediate in the synthesis of organic electronic materials or functional polymers.

Basic Information

Product Name	2H-Pyran-5-Carboxylicacid,2-Ethoxy-3,4-Dihydro-4-Oxo-,Methylester(9Ci)
CAS No.	184719-42-4
Molecular Formula	C9H12O5
Molecular Weight	200.19 g/mol
Synonyms	Methyl 2-ethoxy-4-oxo-3,4-dihydro-2H-pyran-5-carboxylate; 2-Ethoxy-4-oxo-3,4-dihydro-2H-pyran-5-carboxylic acid methyl ester; 5-Carbomethoxy-2-ethoxy-4-pyranone; 2-Ethoxy-4-oxo-4H-pyran-5-carboxylic acid methyl ester; 2-Ethoxy-4-oxo-3,4-dihydro-2H-pyran-5-carboxylic acid methyl ester; 184719-42-4; Methyl 2-ethoxy-4-oxo-4H-pyran-5-carboxylate
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-5-Carboxylicacid,2-Ethoxy-3,4-Dihydro-4-Oxo-,Methylester(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is 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 heat, sparks, and open flame. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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