Description

2-Oxetanone, 4-Acetyl-4-Methyl-, (4S)- (9Ci) is a high-purity, chiral lactone derivative of significant interest in advanced organic synthesis. This compound serves as a versatile and stereochemically defined building block for the construction of complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for applications in asymmetric synthesis and the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for stereoselective synthesis.
• Agrochemical Synthesis: Used in the development of advanced, enantiomerically pure herbicides, fungicides, and insecticides.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, fragrances, and advanced materials requiring specific stereochemistry.
• Academic & Industrial Research: A valuable reagent in methodological chemistry research for studying ring-opening reactions, polymerizations, and new catalytic processes.
• Polymer Chemistry: Potential monomer or co-monomer for the synthesis of specialized, biodegradable polyesters with tailored properties.

Basic Information

Product Name	2-Oxetanone, 4-Acetyl-4-Methyl-, (4S)- (9Ci)
CAS No.	353302-37-1
Molecular Formula	C6H8O3
Molecular Weight	128.13 g/mol
Synonyms	(4S)-4-Acetyl-4-methyloxetan-2-one; (S)-4-Acetyl-4-methyl-2-oxetanone; 4-Acetyl-4-methyloxetan-2-one, (4S)-; (S)-α-Acetyl-α-methyl-β-propiolactone; (S)-3-Hydroxy-3-methyl-4-oxopentanoic acid β-lactone; (4S)-4-Acetyl-4-methyl-1,3-dioxolan-2-one (tautomeric form); Chiral β-lactone derivative
EINECS	Contact for details

Quality Control

Our 2-Oxetanone, 4-Acetyl-4-Methyl-, (4S)- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and enantiomeric excess.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its lactone functionality and light-sensitive nature, prolonged exposure to light or elevated temperatures should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.