Description

2-Azetidinone, 4-Acetyl-3-Ethyl-, cis- (9Ci) is a specialized β-lactam derivative, a key structural motif in organic and medicinal chemistry. This compound serves as a versatile and high-value synthetic intermediate for constructing complex nitrogen-containing heterocycles. It is primarily required by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel β-lactam antibiotics and other pharmacologically active molecules targeting bacterial infections.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis Reagent: Acts as a key precursor for ring-opening and ring-expansion reactions to create diverse aza-cyclic compounds and complex molecular architectures.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced functional materials with specific thermal or chemical properties.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes to study enzyme mechanisms, particularly those involving serine proteases.

Basic Information

Product Name	2-Azetidinone, 4-Acetyl-3-Ethyl-, cis- (9Ci)
CAS No.	125639-94-3
Molecular Formula	C7H11NO2
Molecular Weight	141.17 g/mol
Synonyms	cis-4-Acetyl-3-ethylazetidin-2-one; 4-Acetyl-3-ethyl-2-azetidinone, cis-; 3-Ethyl-4-acetyl-2-azetidinone; β-Lactam, 4-acetyl-3-ethyl-; Azetidin-2-one, 4-acetyl-3-ethyl-, (3R,4S)-rel-; (3R,4S)-4-Acetyl-3-ethylazetidin-2-one
EINECS	Contact for details

Quality Control

Our 2-Azetidinone, 4-Acetyl-3-Ethyl-, cis- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided to support your R&D and scale-up activities.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.