Description

2-Oxepanone,5-Methyl-7-(1-Methylethyl)-,(5S,7S)-(9Ci) is a chiral lactone compound with the CAS number 213899-39-9, serving as a valuable chiral building block and intermediate in advanced organic synthesis. Its defined stereochemistry at the 5 and 7 positions makes it crucial for the production of enantiomerically pure pharmaceuticals and fine chemicals. This high-purity intermediate is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of enantiomerically pure active pharmaceutical ingredients (APIs), particularly in central nervous system (CNS) and anti-inflammatory drug research.
• Agrochemical Synthesis: Used in the development of chiral pesticides and herbicides, where specific stereochemistry can enhance efficacy and reduce environmental impact.
• Fine Chemical Production: Serves as a precursor for fragrances, flavors, and other high-value specialty chemicals requiring specific stereochemical configurations.
• Academic & Industrial Research: A valuable tool for chemists exploring new synthetic methodologies, asymmetric catalysis, and the construction of complex natural product analogs.
• Material Science: Potential monomer or modifying agent for synthesizing specialized polymers with unique optical or mechanical properties.

Basic Information

Item	Details
Product Name	2-Oxepanone,5-Methyl-7-(1-Methylethyl)-,(5S,7S)-(9Ci)
CAS No.	213899-39-9
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	(5S,7S)-5-Methyl-7-(propan-2-yl)oxepan-2-one; (5S,7S)-5-Methyl-7-isopropyl-2-oxepanone; (5S,7S)-7-Isopropyl-5-methyloxepan-2-one; Chiral Lactone Intermediate 213899-39-9; (5S,7S)-Lactone derivative; Stereoisomer of 5-Methyl-7-isopropyl-2-oxepanone
EINECS	Contact for details

Quality Control

Our 2-Oxepanone,5-Methyl-7-(1-Methylethyl)-,(5S,7S)-(9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure high enantiomeric excess (ee) and chemical purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

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). This compound is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.