Description

n-Tosylpyrrolidone is a versatile chemical intermediate featuring a pyrrolidone ring system functionalized with a tosyl group. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and advanced material research. It is essential for manufacturers and R&D laboratories engaged in developing active pharmaceutical ingredients (APIs), specialty polymers, and high-performance additives.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs) and novel drug candidates.
• Polymer Chemistry: Used as a monomer or modifying agent in the production of specialty polymers, including polyvinylpyrrolidone (PVP) derivatives and high-performance resins.
• Agrochemical Synthesis: Acts as a building block for creating advanced crop protection agents and plant growth regulators.
• Ligand and Catalyst Development: Employed in organic and organometallic chemistry for the design of novel ligands and catalytic systems.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on heterocyclic chemistry and new material discovery.
• Surface Modification Agent: Can be utilized to modify surface properties of materials for enhanced performance in coatings or composites.

Basic Information

Product Name	n-Tosylpyrrolidone
CAS No.	10019-95-1
Molecular Formula	C11H13NO3S
Molecular Weight	239.29 g/mol
Synonyms	1-Tosylpyrrolidin-2-one; N-(p-Toluenesulfonyl)pyrrolidone; 2-Pyrrolidinone, 1-[(4-methylphenyl)sulfonyl]-; Tosylpyrrolidinone; N-Tosyl-2-pyrrolidone; p-Toluenesulfonylpyrrolidone; 1-(Tosyl)pyrrolidin-2-one; N-p-Toluenesulfonylpyrrolidone
EINECS	233-025-8

Quality Control

Our n-Tosylpyrrolidone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications in regulated industries, including pharmaceutical development.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.