Description

2-Oxetanone, 3-Acetyl- (9Ci) CAS NO 408533-19-7 is a specialized β-lactone derivative, a key structural motif in organic synthesis and pharmaceutical chemistry. This compound serves as a versatile and reactive building block, enabling the efficient construction of complex molecular architectures. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for the synthesis of novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of β-amino acids, protease inhibitors, and other pharmacologically active molecules containing the β-lactam or related heterocyclic scaffolds.
• Polymer Chemistry: Serves as a monomer or co-monomer for the production of specialized polyesters and biodegradable polymers via ring-opening polymerization (ROP).
• Agrochemical Synthesis: Used in the research and development of novel herbicides and fungicides, leveraging its reactive lactone ring for structural diversification.
• Chemical Biology & Proteomics: Acts as an activity-based probe (ABP) or labeling reagent for studying enzyme activity, particularly serine hydrolases, due to its electrophilic carbonyl.
• Organic Synthesis Building Block: Employed in [2+2] cycloadditions, nucleophilic ring-opening reactions, and as a scaffold for generating diverse heterocyclic compounds.
• Material Science Research: Investigated for creating functional surfaces, coatings, and smart materials with tailored degradation profiles.

Basic Information

Product Name	2-Oxetanone, 3-Acetyl- (9Ci)
CAS No.	408533-19-7
Molecular Formula	C5H6O3
Molecular Weight	114.10 g/mol
Synonyms	3-Acetyloxetan-2-one; 3-Acetyl-2-oxetanone; 3-Acetyl-β-propiolactone; 3-Acetyl-β-lactone; 3-Acetyloxetane-2-one; Acetyl-substituted β-lactone; 3-Acetyl-2-oxetanone (9CI)
EINECS	Contact for details

Quality Control

Every batch of 2-Oxetanone, 3-Acetyl- is produced and analyzed under strict quality management protocols to ensure consistency and purity for research and development applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). This compound may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere if specified. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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