Description

(S)-4-Methylbezenesulfinamide is a high-purity chiral sulfinamide building block, essential for asymmetric synthesis. Its value lies in its role as a versatile chiral auxiliary and ligand, enabling the stereoselective construction of complex molecules with high enantiomeric purity. This compound is critically needed by researchers and process chemists in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

• As a chiral auxiliary in the asymmetric synthesis of pharmaceutical intermediates.
• As a ligand precursor for transition metal catalysts used in enantioselective reactions.
• In the research and development of novel active pharmaceutical ingredients (APIs).
• For the preparation of enantiomerically pure amines and amino acid derivatives.
• As a key building block in medicinal chemistry for structure-activity relationship (SAR) studies.
• In process chemistry for scaling up the production of chiral drugs.

Basic Information

Product Name	(S)-4-Methylbezenesulfinamide
CAS No.	188447-91-8
Molecular Formula	C7H9NOS
Molecular Weight	155.22 g/mol
Synonyms	(S)-p-Toluenesulfinamide; (S)-4-Methylbenzenesulfinamide; (S)-Toluenesulfinamide; (S)-4-Tolylsulfinamide; (S)-Methyl Phenyl Sulfinamide; (S)-p-Tolylsulfinamide; (S)-Benzenesulfinamide, 4-methyl-
EINECS	Contact for details

Quality Control

Our (S)-4-Methylbezenesulfinamide is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as chiral purity (enantiomeric excess), chemical assay, and impurity profile. We adhere to cGMP principles where applicable to support our clients' regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

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% ee
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.