Description

Ethanone, 1-(6-Ethoxy-5,6-Dihydro-2-Methyl-1,4-Oxathiin-3-Yl)-, (R)- (9Ci) is a high-purity chiral intermediate of significant importance in advanced organic synthesis. This compound is valued for its specific stereochemistry and functional groups, which make it a critical building block for the development of complex molecules. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new therapeutic agents, particularly in asymmetric synthesis.
• Agrochemical Synthesis: Used in the development of advanced, stereospecific pesticides and herbicides where biological activity is enantiomer-dependent.
• Academic & Industrial R&D: Serves as a valuable reference standard and starting material for methodological studies in organic and medicinal chemistry.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring high enantiomeric purity and complex heterocyclic structures.

Basic Information

Product Name	Ethanone, 1-(6-Ethoxy-5,6-Dihydro-2-Methyl-1,4-Oxathiin-3-Yl)-, (R)- (9Ci)
CAS No.	170161-58-7
Molecular Formula	C10H16O3S
Molecular Weight	216.30 g/mol
Synonyms	(R)-1-(6-Ethoxy-5,6-dihydro-2-methyl-1,4-oxathiin-3-yl)ethanone; (R)-1-(6-Ethoxy-5,6-dihydro-2-methyl-4H-1,4-oxathiin-3-yl)ethanone; (3R)-3-Acetyl-6-ethoxy-5,6-dihydro-2-methyl-1,4-oxathiin; (R)-3-Acetyl-6-ethoxy-5,6-dihydro-2-methyl-4H-1,4-oxathiin; 1-(6-Ethoxy-5,6-dihydro-2-methyl-1,4-oxathiin-3-yl)ethanone, (R)-; (R)-Enantiomer of 1-(6-Ethoxy-5,6-dihydro-2-methyl-1,4-oxathiin-3-yl)ethanone
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is characterized to confirm identity, purity, and enantiomeric excess (e.e.). Certificates of Analysis (COA) detailing specific chromatographic and spectroscopic results are available upon request. We adhere to cGMP principles for the manufacture of critical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be sensitive to moisture and prolonged exposure to air; therefore, containers should be kept sealed under an inert atmosphere when appropriate.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 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.