Description

Ethanone, 1-[(5R)-5-(Acetyloxy)-1-Cyclopenten-1-Yl]- (9Ci) is a specialized chiral intermediate featuring a cyclopentenyl backbone with an acetyloxy substituent. This compound matters for its role as a high-value building block in the synthesis of complex, biologically active molecules, offering precise stereochemical control. It is primarily needed by research and development teams in the pharmaceutical and fine chemical industries, particularly those focused on prostaglandin analogs, antiviral agents, and other advanced therapeutic candidates.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and production of prostaglandin and prostacyclin analogs.
• Fine Chemical Synthesis: Used in the construction of complex natural products and other stereochemically defined organic molecules.
• Biochemical Research: Serves as a precursor in studies involving lipid mediators and their biological pathways.
• Process Development: Employed in route scouting and optimization for the scalable manufacture of target active pharmaceutical ingredients (APIs).
• Asymmetric Catalysis Studies: Utilized as a substrate or ligand precursor in the development of new catalytic methodologies.

Basic Information

Product Name	Ethanone, 1-[(5R)-5-(Acetyloxy)-1-Cyclopenten-1-Yl]- (9Ci)
CAS No.	243672-15-3
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	1-[(5R)-5-(Acetyloxy)-1-cyclopenten-1-yl]ethanone; (5R)-5-Acetoxy-1-acetylcyclopentene; (R)-5-Acetoxy-1-acetylcyclopentene; 1-[(5R)-5-Acetoxy-1-cyclopenten-1-yl]ethanone; 1-(5R)-5-(Acetyloxy)-1-cyclopenten-1-yl]ethanone; 1-Acetyl-5R-acetoxycyclopentene; Chiral Cyclopentenyl Acetate Ketone
EINECS	Contact for details

Quality Control

Our production of Ethanone, 1-[(5R)-5-(Acetyloxy)-1-Cyclopenten-1-Yl]- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chiral purity. All materials are characterized by advanced analytical techniques including chiral HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile is provided with each shipment to support your quality and regulatory requirements.

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 strong acids and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.