Description

(+/-)-4-Methyl-2-Azetidinone CAS NO 5303-64-0 is a versatile chiral building block and a key heterocyclic intermediate in organic synthesis. Its value lies in its azetidinone core, a crucial structural motif for developing novel pharmaceuticals and fine chemicals. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to synthesize β-lactam derivatives and other complex molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel β-lactam antibiotics and other pharmacologically active compounds.
• Chiral Synthesis Building Block: Used in asymmetric synthesis to introduce the azetidinone ring system, enabling the creation of enantiomerically pure molecules.
• Agrochemical Research: Employed in the development of new herbicides, fungicides, and plant growth regulators with specific biological activity.
• Polymer Chemistry: Acts as a monomer or co-monomer for producing specialized polymers with unique thermal or mechanical properties.
• Ligand and Catalyst Development: Utilized in the design and synthesis of novel ligands and organocatalysts for chemical transformations.
• Academic and R&D Laboratories: A fundamental reagent for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	(+/-)-4-Methyl-2-Azetidinone
CAS No.	5303-64-0
Molecular Formula	C4H7NO
Molecular Weight	85.10 g/mol
Synonyms	4-Methylazetidin-2-one; 4-Methyl-β-propiolactam; 4-Methyl-2-azacyclobutanone; DL-4-Methyl-2-azetidinone; (±)-4-Methylazetidin-2-one; 4-Methyl-azetidin-2-one; 2-Azetidinone, 4-methyl-; β-Propiolactam, 4-methyl-
EINECS	226-158-7

Quality Control

Our (+/-)-4-Methyl-2-Azetidinone is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Rotation	± 0.5° (c=1, solvent)

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