Description

2H-Pyran,4-Butyl-2-Ethyl-3,6-Dihydro-5-(2-Propenyl)-,(2R)-(9Ci) is a high-purity, chiral organic compound of significant interest in advanced chemical synthesis. Its defined stereochemistry and functionalized pyran structure make it a valuable key intermediate for the development of complex molecules. This product is primarily needed by pharmaceutical R&D and fine chemical sectors for creating novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for complex therapeutic agents.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its specific structure can contribute to biological activity.
• Flavor & Fragrance Chemistry: Acts as a precursor for the creation of complex aroma chemicals and specialty flavoring agents.
• Material Science Research: Employed in the development of advanced organic materials, including specialty polymers and liquid crystals.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic synthesis, asymmetric catalysis, and total synthesis projects.

Basic Information

Product Name	2H-Pyran,4-Butyl-2-Ethyl-3,6-Dihydro-5-(2-Propenyl)-,(2R)-(9Ci)
CAS No.	821783-01-1
Molecular Formula	C14H24O
Molecular Weight	208.34 g/mol
Synonyms	(2R)-4-Butyl-2-ethyl-5-(prop-2-en-1-yl)-3,6-dihydro-2H-pyran; 4-Butyl-2-ethyl-3,6-dihydro-5-(2-propenyl)-2H-pyran, (2R)-; (R)-4-Butyl-2-ethyl-5-(allyl)-3,6-dihydro-2H-pyran; 2H-Pyran, 4-butyl-2-ethyl-3,6-dihydro-5-(2-propenyl)-, (2R)-; CAS 821783-01-1; Allyl-substituted dihydropyran derivative; Chiral 3,6-dihydro-2H-pyran intermediate
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran,4-Butyl-2-Ethyl-3,6-Dihydro-5-(2-Propenyl)-,(2R)-(9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high chemical and isomeric purity suitable for demanding synthetic applications. Certificates of Analysis (COA) with detailed specifications are provided to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. 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)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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