Description

2H-Pyran-2-Methanol,6-Ethoxytetrahydro-3-Methyl-,Acetate,[2S-(2Alpha,3Bta,6Alpha)]-(9Ci) is a high-purity, stereochemically defined chemical intermediate with the CAS number 168333-81-1. This compound is valued for its specific chiral configuration and functional groups, making it a critical building block in advanced synthetic pathways. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of novel active ingredients and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for complex, stereospecific drug molecules.
• Fine Chemical Synthesis: Used as a specialized building block for constructing complex natural products, fragrances, and advanced material precursors.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in the development of new catalytic systems for stereoselective reactions.
• Agrochemical Development: Potential intermediate in the synthesis of advanced, targeted crop protection agents with specific biological activity.
• Academic & R&D Laboratories: Employed in methodological studies and the exploration of new synthetic routes in organic chemistry.

Basic Information

Product Name	2H-Pyran-2-Methanol,6-Ethoxytetrahydro-3-Methyl-,Acetate,[2S-(2Alpha,3Bta,6Alpha)]-(9Ci)
CAS No.	168333-81-1
Molecular Formula	C11H20O4
Molecular Weight	216.27 g/mol
Synonyms	(2S,3R,6S)-6-Ethoxy-3-methyltetrahydro-2H-pyran-2-yl)methyl acetate; (2S,3R,6S)-6-Ethoxy-3-methyltetrahydro-2H-pyran-2-ylmethyl acetate; 2H-Pyran-2-methanol, 6-ethoxytetrahydro-3-methyl-, acetate, (2S,3R,6S)-; (2S,3R,6S)-6-Ethoxy-3-methyltetrahydropyran-2-ylmethyl acetate; Stereoisomer of Dihydromintlactone derivative; Chiral tetrahydropyran acetate; [2S-(2α,3β,6α)]-6-Ethoxy-3-methyltetrahydro-2H-pyran-2-ylmethyl acetate
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Identity, purity (assay), and stereochemical integrity are verified using advanced analytical techniques including HPLC, GC, and chiral analysis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We support development and scale-up with custom purity grades upon request.

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 strong bases and incompatible materials such as strong oxidizing agents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.