Description

Ethanone, 1-(3,4-Dihydro-2H-Pyran-2-Yl)-, (R)- (9Ci) is a chiral, enantiomerically pure building block featuring a dihydropyran ring fused with an acetyl group. This compound matters as a versatile intermediate for the synthesis of complex, biologically active molecules, where its stereochemistry and functional groups are critical for achieving desired pharmacological properties. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients, as well as by fine chemical manufacturers specializing in custom synthesis and process development.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and production of active pharmaceutical ingredients (APIs), particularly for antiviral, anticancer, and anti-inflammatory drug candidates.
• Agrochemical Synthesis: Used in the development of advanced pesticides and herbicides where specific stereochemistry influences biological activity and environmental safety.
• Asymmetric Catalysis Research: Serves as a valuable substrate or ligand precursor in academic and industrial research focused on developing new chiral catalysts and synthetic methodologies.
• Fine Chemical Manufacturing: Employed in custom and contract synthesis for producing high-value, complex organic molecules for various specialty applications.
• Flavor and Fragrance Industry: Potential intermediate for the synthesis of chiral aroma chemicals and natural product analogs.

Basic Information

Product Name	Ethanone, 1-(3,4-Dihydro-2H-Pyran-2-Yl)-, (R)- (9Ci)
CAS No.	129137-87-7
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	(R)-1-(3,4-Dihydro-2H-pyran-2-yl)ethanone; (R)-1-(3,4-Dihydro-2H-pyran-2-yl)ethan-1-one; (R)-2-Acetyl-3,4-dihydro-2H-pyran; (R)-2-Acetyl-3,4-dihydro-2H-pyran; (R)-2-Acetyldihydropyran; (R)-2-Acetyl-3,4-dihydro-2H-pyran; (R)-2-Acetyl-3,4-dihydropyran; (R)-1-(3,4-Dihydro-2H-pyran-2-yl)ethanone
EINECS	Contact for details

Quality Control

Our Ethanone, 1-(3,4-Dihydro-2H-Pyran-2-Yl)-, (R)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis, to ensure compliance with customer specifications and industry standards. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

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