Description

2-Oxepanone,5-(1-Methylethyl)-,(5R)-(9Ci) is a chiral lactone derivative, specifically a substituted caprolactone, that serves as a valuable chiral building block in advanced organic synthesis. Its stereochemical purity and unique ring structure make it a critical intermediate for the production of fine chemicals and active pharmaceutical ingredients (APIs). This compound is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel compounds with specific biological activities.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides with enhanced efficacy.
• Polymer Chemistry: Acts as a monomer or co-monomer for the synthesis of specialized, biodegradable polyesters and other functional polymers.
• Asymmetric Catalysis: Employed as a substrate or ligand precursor in the development of new catalytic systems for stereoselective reactions.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of complex aroma chemicals and flavoring agents.
• Academic & Industrial R&D: Serves as a standard or starting material in methodological studies and process development for organic chemists.

Basic Information

Product Name	2-Oxepanone,5-(1-Methylethyl)-,(5R)-(9Ci)
CAS No.	655233-10-6
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	(5R)-5-Isopropyloxepan-2-one; (R)-5-Isopropyl-2-oxepanone; (R)-5-Isopropylcaprolactone; 5-Isopropyl-ε-caprolactone, (R)-; (5R)-5-(1-Methylethyl)-2-oxepanone; (R)-5-(1-Methylethyl)oxepan-2-one; 655233-10-6; (R)-5-Isopropyl-ε-caprolactone
EINECS	Contact for details

Quality Control

Our 2-Oxepanone,5-(1-Methylethyl)-,(5R)-(9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC and GC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Chiral Purity (HPLC)	≥ 98.0% ee (5R)
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.