Description

(S)-(-)-1,1,2-Triphenylethane-1,2-Diol CAS NO 108998-83-0 is a high-purity chiral diol compound, serving as a critical intermediate in asymmetric synthesis and pharmaceutical development. Its value lies in its well-defined stereochemistry, which is essential for producing enantiomerically pure active pharmaceutical ingredients (APIs) and fine chemicals. This product is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require a reliable source of high-quality chiral building blocks.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of enantiomerically pure drugs and active pharmaceutical ingredients (APIs).
• Asymmetric Synthesis Catalyst/ Ligand: Used in the development and preparation of chiral ligands for transition metal catalysis.
• Agrochemical Synthesis: Serves as a building block for creating chiral pesticides and herbicides with specific biological activity.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances where stereochemical control is paramount.
• Academic & Industrial Research: A valuable reagent for methodological development in organic chemistry and catalysis research.
• Material Science: Potential monomer or precursor for chiral polymers and advanced functional materials.

Basic Information

Product Name	(S)-(-)-1,1,2-Triphenylethane-1,2-Diol
CAS No.	108998-83-0
Molecular Formula	C20H18O2
Molecular Weight	290.36 g/mol
Synonyms	(S)-(-)-Hydrobenzoin; (S)-1,1,2-Triphenyl-1,2-ethanediol; (S)-(-)-1,1,2-Triphenylethylene Glycol; (S)-Hydrobenzoin; (S)-Stilbene Diol; (1S)-1,1,2-Triphenylethane-1,2-diol; (S)-Triphenylethane Diol; L-Hydrobenzoin
EINECS	Contact for details

Quality Control

Our (S)-(-)-1,1,2-Triphenylethane-1,2-Diol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical and enantiomeric purity, meeting the stringent requirements for pharmaceutical R&D and production. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are 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). This compound is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	168 - 172 °C
Loss on Drying	≤ 0.5%
Specific Rotation	[α]20/D: -105° to -115° (c=1 in CHCl3)

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