Description

(S)-3-Chlorostyrene Oxide is a high-purity chiral epoxide building block of significant importance in asymmetric synthesis. Its value lies in its role as a key intermediate for constructing complex, optically active molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and process chemists developing active pharmaceutical ingredients (APIs), advanced materials, and specialty fine chemicals where stereochemical control is critical.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of enantiomerically pure drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of chiral pesticides, herbicides, and plant growth regulators.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing chiral ligands and organocatalysts used in asymmetric catalysis.
• Material Science Research: Employed in the development of chiral polymers and advanced organic materials with specific optical properties.
• Fine Chemical Production: A versatile building block for creating specialty and custom fine chemicals requiring high enantiomeric purity.
• Academic & Industrial R&D: Used in research laboratories for methodological development in organic and medicinal chemistry.

Basic Information

Product Name	(S)-3-Chlorostyrene Oxide
CAS No.	97466-49-4
Molecular Formula	C8H7ClO
Molecular Weight	154.59 g/mol
Synonyms	(S)-(-)-3-Chlorostyrene oxide; (S)-3-Chloro-1,2-epoxyethylbenzene; (S)-1-Chloro-3-(oxiran-2-yl)benzene; (S)-2-(3-Chlorophenyl)oxirane; (S)-3-Chlorophenylethylene oxide; (-)-3-Chlorostyrene oxide; (S)-3-Chlorostyrene 7,8-oxide
EINECS	Contact for details

Quality Control

Our (S)-3-Chlorostyrene Oxide is produced under strict quality management systems to ensure batch-to-batch consistency and high enantiomeric purity. Each lot undergoes comprehensive analytical testing, including chiral HPLC for enantiomeric excess (ee) determination, NMR, and GC/MS for identity and purity verification. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Keep away from strong acids, bases, and oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%

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