Description

Methyl (1R-Trans)-3-Oxo-2-Pentylcyclopentaneacetate is a high-purity chiral ester of significant interest in advanced organic synthesis. This compound matters as a versatile and valuable building block for creating complex molecules with specific stereochemistry. It is primarily needed by research and development laboratories, pharmaceutical intermediates manufacturers, and fine chemical producers working on fragrances, flavors, and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of prostaglandins and other bioactive molecules.
• Fragrance & Flavor Ingredient: Used in the development of sophisticated, high-value aromatic compounds for perfumery and flavoring.
• Organic Synthesis Building Block: Serves as a critical precursor for constructing complex, stereodefined cyclic structures in medicinal chemistry.
• Asymmetric Catalyst Research: Employed as a substrate or ligand precursor in the development of new chiral catalysts.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and validation.
• Material Science Research: Investigated for the synthesis of specialized polymers and liquid crystals.

Basic Information

Product Name	Methyl (1R-Trans)-3-Oxo-2-Pentylcyclopentaneacetate
CAS No.	2630-39-9
Molecular Formula	C13H22O3
Molecular Weight	226.31 g/mol
Synonyms	Methyl (1R,2R)-3-Oxo-2-pentylcyclopentaneacetate; Methyl (1R-trans)-3-Oxo-2-pentyl-1-cyclopentaneacetate; (-)-Methyl (1R,2R)-3-Oxo-2-pentylcyclopentaneacetate; Methyl 2-[(1R,2R)-3-Oxo-2-pentylcyclopentyl]acetate; Methyl trans-3-Oxo-2-pentylcyclopentaneacetate; Prostaglandin Intermediate; Chiral Cyclopentanone Ester
EINECS	220-124-5

Quality Control

Our Methyl (1R-Trans)-3-Oxo-2-Pentylcyclopentaneacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

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 away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Specific Rotation	Contact for details
Water Content (KF)	≤ 0.5%

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