Description

(R)-1-Phenylethanethiol CAS NO 6263-65-6 is a high-purity chiral thiol compound, serving as a critical building block in asymmetric synthesis and pharmaceutical development. Its value lies in its ability to act as a versatile chiral auxiliary and ligand, enabling the production of enantiomerically pure compounds essential for advanced research and manufacturing. This product is primarily needed by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring precise stereochemical control.

Application

• As a chiral ligand or catalyst in asymmetric synthesis reactions.
• As a key chiral building block for the synthesis of active pharmaceutical ingredients (APIs).
• In the research and development of novel agrochemicals and fine chemicals.
• As a derivatization agent in analytical chemistry for chiral separation and analysis.
• For the preparation of chiral metal complexes used in catalysis.
• In material science for the surface modification of nanoparticles and polymers.

Basic Information

Product Name	(R)-1-Phenylethanethiol
CAS No.	6263-65-6
Molecular Formula	C8H10S
Molecular Weight	138.23 g/mol
Synonyms	(R)-(-)-1-Phenylethanethiol; (R)-α-Methylbenzyl mercaptan; (R)-1-Phenylethyl mercaptan; (R)-(-)-α-Methylbenzylthiol; (R)-Thiomandelic acid ethyl ester intermediate; (R)-Styrene episulfide derivative; (R)-sec-Phenethyl mercaptan; (R)-1-Phenyl-1-ethanethiol
EINECS	228-432-9

Quality Control

Our (R)-1-Phenylethanethiol is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for research and production. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and enantiomeric excess.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flame. The container should be kept tightly closed in a cool, well-ventilated place.

Specification

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

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