Description

2H-Pyran,3,4-Dihydro-4-Methoxy-2-(2-Methylpropyl)-,(2R,4R)-(9Ci) CAS NO 630096-91-2 is a high-purity, stereochemically defined dihydropyran derivative, valued for its role as a versatile chiral building block and intermediate in advanced organic synthesis. Its specific stereochemistry and functional groups make it a critical precursor for constructing complex molecular architectures with high enantiomeric purity. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting central nervous system (CNS) or metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where its structure can contribute to the biological activity of the final product.
• Asymmetric Catalysis Ligand Precursor: Serves as a starting material for the synthesis of chiral ligands used in asymmetric hydrogenation and other enantioselective transformations.
• Flavor & Fragrance Chemistry: Acts as an intermediate in the production of complex aroma chemicals and specialty flavors due to its pyran backbone.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymers with specific optical or mechanical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development in synthetic organic chemistry and total synthesis projects.

Basic Information

Product Name	2H-Pyran,3,4-Dihydro-4-Methoxy-2-(2-Methylpropyl)-,(2R,4R)-(9Ci)
CAS No.	630096-91-2
Molecular Formula	C10H18O2
Molecular Weight	170.25 g/mol
Synonyms	(2R,4R)-4-Methoxy-2-isobutyl-3,4-dihydro-2H-pyran; (2R,4R)-4-Methoxy-2-(2-methylpropyl)-3,4-dihydro-2H-pyran; 3,4-Dihydro-4-methoxy-2-(2-methylpropyl)-2H-pyran, (2R,4R)-; Dihydro-4-methoxy-2-(2-methylpropyl)-2H-pyran; (R,R)-4-Methoxy-2-isobutyl-3,4-dihydro-2H-pyran; Chiral Dihydropyran Derivative; Isobutyl Dihydropyran Ether
EINECS	Contact for details

Quality Control

Every batch of our (2R,4R)-4-Methoxy-2-isobutyl-3,4-dihydro-2H-pyran is manufactured under strict quality management systems. We employ advanced analytical techniques, including chiral HPLC, GC, and NMR, to ensure high enantiomeric excess (ee) and chemical purity critical for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, chiral purity, and impurity profiles are provided with each shipment to guarantee batch-to-batch consistency and traceability.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/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.