Description

(S)-3-Amino-1-Methyl-Pyrrolidin-2-One Tosylate is a high-purity chiral intermediate and building block of significant importance in modern pharmaceutical synthesis. Its value lies in its defined stereochemistry and functional groups, which are critical for constructing complex, biologically active molecules. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for the development of new active ingredients, particularly in areas requiring specific enantiomeric purity.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of novel drug candidates, especially in central nervous system (CNS) and antiviral research.
• Agrochemical Synthesis: Used in the development of enantiomerically pure pesticides and herbicides for enhanced efficacy and environmental safety.
• Asymmetric Catalysis: Serves as a precursor or ligand in catalytic systems for stereoselective chemical transformations.
• Academic & Contract Research: Essential material for medicinal chemistry programs and process development in research laboratories.
• Peptidomimetic Chemistry: Utilized in the design and synthesis of peptide analogs and protease inhibitors due to its pyrrolidinone scaffold.
• Custom Synthesis: Starting point for the tailored production of specialized fine chemicals and advanced intermediates for client-specific projects.

Basic Information

Product Name	(S)-3-Amino-1-Methyl-Pyrrolidin-2-One Tosylate
CAS No.	2449063-37-8
Molecular Formula	C12H18N2O4S
Molecular Weight	286.35 g/mol
Synonyms	(S)-3-Amino-1-methylpyrrolidin-2-one 4-methylbenzenesulfonate; (S)-1-Methyl-3-aminopyrrolidin-2-one tosylate; (S)-3-Amino-1-methyl-2-pyrrolidinone p-toluenesulfonate salt; (S)-AMPT Tosylate; (S)-3-Amino-N-methyl-2-pyrrolidinone tosylate; (S)-3-Amino-1-methyl-5-oxopyrrolidine-2-carboxamide tosylate (incorrect but common search variant); Tosic acid salt of (S)-3-amino-1-methylpyrrolidin-2-one
EINECS	Contact for details

Quality Control

Our (S)-3-Amino-1-Methyl-Pyrrolidin-2-One Tosylate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for pharmaceutical R&D and production. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided and available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Chiral Purity (HPLC)	≥99.0% ee
Water Content (KF)	≤1.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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