Description

(1R)-4-Oxocyclopent-2-en-1-yl acetate is a high-purity chiral building block and key synthetic intermediate. This compound is valued for its versatile reactivity, particularly in the synthesis of complex, biologically active molecules. It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries for developing novel therapeutics and advanced materials.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of prostaglandins, prostacyclins, and other bioactive compounds.
• Asymmetric Synthesis: Used as a precursor in stereoselective reactions to construct complex molecular architectures with defined chirality.
• Fine Chemical Production: Serves as a building block for specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & Industrial R&D: Employed in medicinal chemistry research for hit-to-lead optimization and the development of new synthetic methodologies.
• Agrochemical Synthesis: Potential intermediate in the production of advanced, chiral active ingredients for crop protection.

Basic Information

Item	Information
Product Name	(1R)-4-Oxocyclopent-2-en-1-yl Acetate
CAS No.	59995-48-1
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	(1R)-4-Oxocyclopent-2-ene-1-yl acetate; (R)-4-Oxo-2-cyclopenten-1-yl acetate; (-)-(1R)-4-Oxocyclopent-2-en-1-yl acetate; (R)-(-)-4-Oxocyclopent-2-en-1-yl acetate; 4-Oxocyclopent-2-en-1-yl acetate, (1R)-; Acetic acid (1R)-4-oxo-2-cyclopenten-1-yl ester; (R)-4-Oxocyclopent-2-enyl acetate
EINECS	Contact for details

Quality Control

Our (1R)-4-Oxocyclopent-2-en-1-yl acetate is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for pharmaceutical and advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. Allow the container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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