Description

(S)-4-Benzyl-2-Oxazolidinone CAS NO 90719-32-7 is a high-purity, chiral auxiliary widely used in asymmetric synthesis. It is a critical building block for the preparation of enantiomerically pure pharmaceutical intermediates and fine chemicals. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise stereochemical control in their synthetic processes.

Application

• As a chiral auxiliary in Evans aldol reactions and other asymmetric carbon-carbon bond-forming processes.
• Key starting material for the synthesis of enantiomerically pure β-amino acids and β-lactams.
• Intermediate in the production of active pharmaceutical ingredients (APIs) for various therapeutic areas.
• Building block for chiral catalysts and ligands used in homogeneous catalysis.
• Research and development of novel agrochemicals and specialty fine chemicals.
• Use in academic and industrial laboratories for method development in stereoselective synthesis.

Basic Information

Product Name	(S)-4-Benzyl-2-Oxazolidinone
CAS No.	90719-32-7
Molecular Formula	C10H11NO2
Molecular Weight	177.20 g/mol
Synonyms	(S)-(-)-4-Benzyl-2-oxazolidinone; (4S)-4-Benzyl-1,3-oxazolidin-2-one; (S)-4-Benzyloxazolidin-2-one; Evans Auxiliary; (S)-4-Benzyl-2-oxazolidinone; (S)-N-Benzyloxazolidinone; L-(-)-4-Benzyl-2-oxazolidinone
EINECS	Contact for details

Quality Control

Our (S)-4-Benzyl-2-Oxazolidinone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing specific results for assay, enantiomeric excess, and related substances are provided with every shipment.

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). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (ee)	≥ 99.0%
Melting Point	86 - 90 °C
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.