Description

(R)-(-)-4-Methylbezenesulfinamide CAS NO 247089-85-6 is a high-purity chiral sulfinamide building block, a critical intermediate in asymmetric synthesis. Its value lies in its ability to act as a highly efficient chiral auxiliary or ligand, enabling the production of enantiomerically pure pharmaceutical compounds and fine chemicals. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality chiral intermediates.

Application

• As a chiral auxiliary in the asymmetric synthesis of active pharmaceutical ingredients (APIs).
• Utilized as a ligand precursor in transition metal catalysis for enantioselective transformations.
• Key intermediate in the preparation of sulfoxides with high enantiomeric excess for medicinal chemistry.
• Building block for the synthesis of novel chiral catalysts and organocatalysts.
• Used in process development and scale-up for the commercial manufacture of chiral drugs.
• Research reagent for exploring new asymmetric methodologies in academic and industrial laboratories.

Basic Information

Product Name	(R)-(-)-4-Methylbezenesulfinamide
CAS No.	247089-85-6
Molecular Formula	C7H9NOS
Molecular Weight	155.22 g/mol
Synonyms	(R)-p-Toluenesulfinamide; (R)-4-Methylbenzenesulfinamide; (R)-(-)-p-Toluenesulfinamide; (R)-Toluenesulfinamide; (R)-4-Tolylsulfinamide; (R)-Methyl phenyl sulfinamide; Benzenesulfinamide, 4-methyl-, (R)-; (R)-(-)-4-Methylbenzenesulfinylamine
EINECS	Contact for details

Quality Control

Our (R)-(-)-4-Methylbezenesulfinamide 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 asymmetric synthesis. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat and incompatible materials.

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%
Melting Point	Contact for details
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.