Description

2H-Pyran-4-Ol,Tetrahydro-4-Methyl-2-Propyl-,Acetate,(2R,4S)-(9Ci) CAS NO 723340-92-9 is a high-purity, stereochemically defined chemical intermediate of significant interest in advanced organic synthesis. Its precise molecular architecture makes it a valuable chiral building block for the development of complex, biologically active molecules. This compound is primarily sought after by research and development teams in the pharmaceutical and fine chemical industries for applications in asymmetric synthesis and process chemistry.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring stereochemical purity.
• Asymmetric Synthesis: Utilized as a building block in catalytic and stoichiometric asymmetric reactions to construct complex molecular frameworks with high enantiomeric excess.
• Fragrance and Flavor Chemistry: Serves as a precursor for the synthesis of specific aroma chemicals and flavor compounds, leveraging its tetrahydropyran structure.
• Agrochemical Research: Employed in the development of novel, stereospecific pesticides and herbicides where the defined (2R,4S) configuration is critical for bioactivity.
• Material Science Research: Investigated as a monomer or functional modifier in the synthesis of specialized polymers with tailored properties.
• Academic and Industrial R&D: Used in methodological studies and process optimization for the synthesis of complex natural products and other fine chemicals.

Basic Information

Product Name	2H-Pyran-4-Ol,Tetrahydro-4-Methyl-2-Propyl-,Acetate,(2R,4S)-(9Ci)
CAS No.	723340-92-9
Molecular Formula	C11H20O3
Molecular Weight	200.28 g/mol
Synonyms	(2R,4S)-4-Methyl-2-propyltetrahydro-2H-pyran-4-yl acetate; 4-Acetoxy-4-methyl-2-propyltetrahydropyran; (2R,4S)-4-Acetoxy-4-methyl-2-propyltetrahydro-2H-pyran; 4-Methyl-2-propyltetrahydro-2H-pyran-4-ol acetate; (2R-cis)-4-Methyl-2-propyltetrahydro-2H-pyran-4-yl acetate; Tetrahydro-4-methyl-2-propyl-2H-pyran-4-ol acetate; (2R,4S)-rel-4-Methyl-2-propyltetrahydro-2H-pyran-4-yl acetate
EINECS	Contact for details

Quality Control

Our production of this chiral intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and high stereochemical purity, which is critical for its application in sensitive syntheses. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as chiral purity (enantiomeric excess), chemical purity, and identity confirmation. Our quality systems are designed to support cGMP and ISO standards for customers in regulated industries.

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 an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Specific Rotation	Contact for details
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.