Description

2-Isoxazolidinecarboxylicacid,4-(Acetylamino)-3-Oxo-,Methylester,(R)-(9Ci) CAS NO 75975-46-1 is a high-purity, chiral isoxazolidine derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique heterocyclic structure, which is essential for constructing complex molecules with specific stereochemistry. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of potential drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of novel, high-efficacy pesticides and herbicides due to its bioactive scaffold.
• Academic & Process Chemistry: Serves as a model compound for studying cycloaddition reactions and developing new asymmetric synthesis methodologies.
• Fine Chemical Synthesis: Employed in the production of specialty chemicals, flavors, and fragrances requiring precise stereochemical control.
• Material Science Precursor: Potential use in creating novel polymers or ligands for catalytic systems.

Basic Information

Product Name	2-Isoxazolidinecarboxylicacid,4-(Acetylamino)-3-Oxo-,Methylester,(R)-(9Ci)
CAS No.	75975-46-1
Molecular Formula	C7H10N2O5
Molecular Weight	202.17 g/mol
Synonyms	(R)-Methyl 4-acetamido-3-oxo-2-isoxazolidinecarboxylate; Methyl (4R)-4-(acetylamino)-3-oxo-2-isoxazolidinecarboxylate; 4-Acetamido-3-oxo-2-isoxazolidinecarboxylic acid methyl ester, (R)-; 75975-46-1; (R)-4-Acetylamino-3-oxo-isoxazolidine-2-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 2-Isoxazolidinecarboxylicacid,4-(Acetylamino)-3-Oxo-,Methylester,(R)-(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption and decomposition. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 1.5%

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