Description

2H-Pyran-4-Carboxylicacid,2-Ethoxy-3,4-Dihydro-,Ethylester,cis-(9Ci) is a specialized heterocyclic ester compound with a defined cis-configuration, serving as a valuable synthetic intermediate. Its precise molecular architecture makes it a critical building block for the development of complex organic molecules, particularly in advanced research and fine chemical synthesis. This high-purity material is essential for pharmaceutical R&D, agrochemical development, and academic laboratories requiring consistent, high-quality intermediates for complex reaction pathways.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly for heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and fungicides where the pyran core structure is required.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry, including studies on cyclization reactions and stereoselective synthesis.
• Material Science Precursor: Potential intermediate in the development of advanced organic materials and functional polymers.

Basic Information

Product Name	2H-Pyran-4-Carboxylicacid,2-Ethoxy-3,4-Dihydro-,Ethylester,cis-(9Ci)
CAS No.	202831-52-5
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	cis-2-Ethoxy-3,4-dihydro-2H-pyran-4-carboxylic acid ethyl ester; Ethyl cis-2-ethoxy-3,4-dihydro-2H-pyran-4-carboxylate; 2-Ethoxy-3,4-dihydro-2H-pyran-4-carboxylic Acid Ethyl Ester, cis-; 4-Carbethoxy-2-ethoxy-3,4-dihydro-2H-pyran, cis-; (cis)-Ethyl 2-ethoxy-3,4-dihydro-2H-pyran-4-carboxylate; 202831-52-5; 9CI numbered compound
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-4-Carboxylicacid,2-Ethoxy-3,4-Dihydro-,Ethylester,cis-(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques (HPLC, GC, NMR) to confirm identity, purity, and isomeric composition. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, supporting compliance in regulated research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container must be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity (cis-isomer)	≥ 95.0%
Water Content (KF)	≤ 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.