Description

(S)-1,1'-Binaphthyl-2,3'-Disulfonimide CAS NO 1245748-66-6 is a high-purity, chiral sulfonimide derivative, a key building block in advanced organic synthesis. Its value lies in its role as a versatile chiral auxiliary and ligand, enabling the precise construction of stereochemically complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require enantioselective synthesis for developing novel active ingredients and functional materials.

Application

• As a chiral auxiliary in the asymmetric synthesis of pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Utilized as a ligand precursor for the development of novel transition metal catalysts used in enantioselective reactions.
• Employed in the research and development of agrochemicals, such as herbicides and fungicides, requiring specific stereochemistry.
• Serves as a key intermediate in the synthesis of advanced materials, including chiral polymers and liquid crystals.
• Used in academic and industrial R&D for methodological studies in organic and organometallic chemistry.
• Applied in the fine chemical industry for the custom synthesis of complex, high-value chiral molecules.

Basic Information

Product Name	(S)-1,1'-Binaphthyl-2,3'-Disulfonimide
CAS No.	1245748-66-6
Molecular Formula	C₂₀H₁₂O₄S₂
Molecular Weight	380.44 g/mol
Synonyms	(S)-BINOL-2,3'-Disulfonimide; (S)-2,2'-Dihydroxy-1,1'-binaphthyl-2,3'-disulfonimide; (S)-1,1'-Bi-2-naphthol-2,3'-disulfonimide; (S)-BINSA; (S)-2,3'-BINOL Disulfonimide; (S)-BINOL-DSI; (S)-1,1'-Binaphthalene-2,3'-disulfonimide
EINECS	Contact for details

Quality Control

Our (S)-1,1'-Binaphthyl-2,3'-Disulfonimide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high chemical and chiral purity, meeting the stringent requirements of research and process development. A comprehensive Certificate of Analysis (COA) detailing purity, enantiomeric excess, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (HPLC)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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