Description

2H-Pyran-3-Aceticacid,2-Ethoxy-3,6-Dihydro-,Methylester,(2S-Cis)-(9Ci) is a specialized chiral intermediate of significant value in advanced organic synthesis. Its precise stereochemistry and functionalized pyran ring structure make it a critical building block for creating complex molecules with high enantiomeric purity. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it serves as a key precursor for active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its complex heterocyclic structure.
• Asymmetric Catalysis Research: Serves as a valuable substrate or ligand precursor in the development of new catalytic systems for stereoselective reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemical configurations.
• Academic & R&D Laboratories: A crucial reagent for methodological studies in synthetic organic chemistry and total synthesis projects.

Basic Information

Product Name	2H-Pyran-3-Aceticacid,2-Ethoxy-3,6-Dihydro-,Methylester,(2S-Cis)-(9Ci)
CAS No.	109669-17-2
Molecular Formula	C10H16O4
Molecular Weight	200.23 g/mol
Synonyms	(2S-cis)-2-Ethoxy-3,6-dihydro-2H-pyran-3-acetic acid methyl ester; Methyl (2S,3R)-2-ethoxy-3,6-dihydro-2H-pyran-3-acetate; 2-Ethoxy-3,6-dihydro-2H-pyran-3-acetic acid methyl ester, (2S-cis)-; SCHEMBL11842279; ZINC000095909535; AKOS005209009; (2S,3R)-2-Ethoxy-3,6-dihydro-2H-pyran-3-yl acetate methyl ester
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-3-Aceticacid,2-Ethoxy-3,6-Dihydro-,Methylester,(2S-Cis)-(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high enantiomeric purity. Each lot undergoes comprehensive analytical testing, including chiral HPLC, NMR, and GC-MS, to verify identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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