Description

(S)-2'-Methoxy-[1,1']Binaphthalenyl-2-Ol CAS NO 35193-69-2 is a high-purity, enantiomerically pure chiral compound belonging to the binaphthol family. This compound matters as a versatile and critical chiral ligand and building block in asymmetric synthesis, enabling the production of single-enantiomer pharmaceuticals and advanced materials with high optical purity. It is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality chiral auxiliaries for catalysis and complex molecule construction.

Application

• As a chiral ligand in asymmetric metal-catalyzed reactions, including hydrogenation, coupling, and oxidation processes.
• As a key building block for the synthesis of chiral phosphoric acid catalysts and other organocatalysts.
• In the research and development of novel active pharmaceutical ingredients (APIs) requiring specific stereochemistry.
• For the preparation of chiral stationary phases used in high-performance liquid chromatography (HPLC) for enantiomer separation.
• In the synthesis of advanced materials, such as chiral polymers and liquid crystals.
• As a resolving agent for the separation of racemic mixtures.

Basic Information

Product Name	(S)-2'-Methoxy-[1,1']Binaphthalenyl-2-Ol
CAS No.	35193-69-2
Molecular Formula	C21H16O2
Molecular Weight	300.35 g/mol
Synonyms	(S)-2'-Methoxy-1,1'-binaphthalen-2-ol; (S)-2'-Methoxy-2-naphthol; (S)-Methoxy-BINOL; (S)-2,2'-Dihydroxy-1,1'-binaphthyl 2'-methyl ether; (S)-1,1'-Bi-2-naphthol 2'-methyl ether; (S)-2'-Methoxy-[1,1'-binaphthalene]-2-ol; (S)-2'-(Methoxy)-1,1'-binaphthyl-2-ol
EINECS	Contact for details

Quality Control

Our (S)-2'-Methoxy-[1,1']Binaphthalenyl-2-Ol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral HPLC for enantiomeric excess (ee) verification, to ensure compliance with high-purity standards. Certificates of Analysis (COA) detailing identity, purity, and specific rotation are provided with every shipment to guarantee batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

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% ee
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%

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