Description

(3S)-3,6-Dihydro-6α-Methoxy-2H-Pyran-3β-Ol Acetate is a high-purity chiral building block and synthetic intermediate of significant value in advanced organic synthesis. Its defined stereochemistry and functional groups make it a critical precursor for constructing complex molecular architectures, particularly in pharmaceutical research and fine chemical manufacturing. This compound is essential for chemists and process developers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for scale-up and production.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with pyran or tetrahydropyran motifs.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides where specific stereochemistry influences biological activity.
• Fine Chemical Production: Acts as a versatile building block for creating flavors, fragrances, and other high-value specialty chemicals.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in asymmetric synthesis and natural product total synthesis.
• Catalyst & Ligand Development: Provides a scaffold for the development of new chiral catalysts and ligands used in enantioselective transformations.

Basic Information

Product Name	(3S)-3,6-Dihydro-6α-Methoxy-2H-Pyran-3β-Ol Acetate
CAS No.	25878-56-2
Molecular Formula	C8H12O4
Molecular Weight	172.18 g/mol
Synonyms	(3S)-3,6-Dihydro-6-methoxy-2H-pyran-3-ol acetate; (3S,6R)-6-Methoxy-3,6-dihydro-2H-pyran-3-yl acetate; 6-Methoxy-3,6-dihydro-2H-pyran-3-yl acetate; 3-Acetoxy-6-methoxy-3,6-dihydro-2H-pyran; 6-Methoxy-2H-pyran-3(6H)-yl acetate; (3S)-6-Methoxy-3,6-dihydro-2H-pyran-3-yl acetate; (3S,6R)-3,6-Dihydro-6-methoxy-2H-pyran-3-yl acetate
EINECS	Contact for details

Quality Control

Our (3S)-3,6-Dihydro-6α-Methoxy-2H-Pyran-3β-Ol Acetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

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	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 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.