Description

Ethanone, 1-[(4R,5S)-4,5-Dihydro-2,4,5-Trimethyl-3-Furanyl]-, Rel- (9Ci) is a high-purity chiral furanone derivative with a defined stereochemistry, serving as a critical synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the synthesis of fine chemicals and active pharmaceutical ingredients (APIs) where stereochemical control is paramount. It is needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors seeking reliable, high-quality building blocks.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel therapeutic agents, including potential antiviral or anti-inflammatory compounds.
• Agrochemical Synthesis: Used in the production of advanced, stereospecific pesticides and herbicides where biological activity is enantiomer-dependent.
• Flavor & Fragrance Chemistry: Serves as a precursor for synthesizing complex, naturally-derived flavor molecules and fragrance ingredients with specific olfactory profiles.
• Material Science Research: Employed as a monomer or building block in the development of novel polymers and functional materials with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies in asymmetric synthesis and catalysis within university and corporate research laboratories.
• Fine Chemical Production: Integral to the multi-step synthesis of specialty chemicals requiring high stereochemical purity for electronics or performance additives.

Basic Information

Product Name	Ethanone, 1-[(4R,5S)-4,5-Dihydro-2,4,5-Trimethyl-3-Furanyl]-, Rel- (9Ci)
CAS No.	497157-85-4
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	rel-(4R,5S)-4,5-Dihydro-2,4,5-trimethyl-3-furanyl methyl ketone; 1-[(4R,5S)-4,5-Dihydro-2,4,5-trimethyl-3-furanyl]ethanone; (rel)-(4R,5S)-4,5-Dihydro-2,4,5-trimethyl-3-furanyl methyl ketone; Chiral Trimethyl Dihydrofuranone Derivative; (4R,5S)-2,4,5-Trimethyl-4,5-dihydrofuran-3-yl methyl ketone; Furanone Ketone Intermediate; CAS 497157-85-4
EINECS	Contact for details

Quality Control

Our Ethanone, 1-[(4R,5S)-4,5-Dihydro-2,4,5-Trimethyl-3-Furanyl]-, Rel- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure high chemical and stereochemical purity suitable for demanding synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability, consistency, and compliance with your research or production specifications.

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 the container tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de
Water Content (KF)	≤ 0.5%

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