Description

(S)-4-Phenyl-1,3-Oxazolidine-2-Thione CAS NO 190970-57-1 is a high-purity chiral building block and key intermediate in organic synthesis. This compound is valued for its role in the stereoselective construction of complex molecules, particularly in pharmaceutical research and development. It is essential for chemists and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require enantiomerically pure intermediates for advanced synthesis.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the development of novel active pharmaceutical ingredients (APIs), especially in areas requiring specific stereochemistry.
• Asymmetric Synthesis: Used as a ligand precursor or auxiliary in catalytic asymmetric reactions to induce high enantioselectivity.
• Agrochemical Research: Serves as a building block for creating enantiomerically pure herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals and flavors & fragrances.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry and medicinal chemistry programs at research institutions.
• Material Science: Potential precursor for chiral polymers or advanced organic materials with specific optical properties.

Basic Information

Product Name	(S)-4-Phenyl-1,3-Oxazolidine-2-Thione
CAS No.	190970-57-1
Molecular Formula	C9H9NOS
Molecular Weight	179.24 g/mol
Synonyms	(4S)-4-Phenyl-1,3-oxazolidine-2-thione; (S)-4-Phenyl-2-thioxooxazolidine; (S)-(-)-4-Phenyl-2-oxazolidinethione; L-4-Phenyl-2-oxazolidinethione; (S)-4-Phenyl-2-mercaptooxazolidine; (S)-Phenyloxazolidinethione; Chiral oxazolidinethione derivative
EINECS	Contact for details

Quality Control

We supply (S)-4-Phenyl-1,3-Oxazolidine-2-Thione in high-purity grades suitable for demanding synthetic applications. Our products undergo rigorous quality testing, including chiral purity analysis (HPLC, Chiral GC), to ensure compliance with research and development standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile is provided with each batch.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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