Description

Pyrrolidinium, 3-[(Cyclopentylhydroxyphenylacetyl)Oxy]-1,1-Dimethyl-, Bromide, [S-(R*,S*)]- is a high-purity, stereochemically defined quaternary ammonium salt with significant utility in advanced chemical synthesis. This compound is valued for its role as a key chiral intermediate or catalyst in the development of active pharmaceutical ingredients (APIs) and specialty fine chemicals. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for process development and scale-up activities.

Application

• Pharmaceutical Intermediate: A critical chiral building block for the synthesis of complex drug molecules, particularly in neurological and cardiovascular therapeutic areas.
• Asymmetric Catalysis: Employed as a chiral phase-transfer catalyst or ionic liquid component in stereoselective organic reactions.
• Agrochemical Synthesis: Used in the research and development of enantiomerically pure pesticides and herbicides.
• Academic & Industrial Research: Serves as a standard or reagent in methodological studies for new synthetic pathways.
• Specialty Polymer Modification: Potential application as a functional monomer or additive to impart specific ionic or chiral properties to polymers.

Basic Information

Item	Details
Product Name	Pyrrolidinium, 3-[(Cyclopentylhydroxyphenylacetyl)Oxy]-1,1-Dimethyl-, Bromide, [S-(R*,S*)]-
CAS No.	129784-12-9
Molecular Formula	C20H30BrNO3
Molecular Weight	412.36 g/mol
Synonyms	(3S,3'S)-3'-[(Cyclopentylhydroxyphenylacetyl)oxy]-1,1-dimethylpyrrolidinium bromide; Trospium chloride impurity; (3S,3'S)-Trospium related compound; 1,1-Dimethyl-3-[(hydroxy(cyclopentyl)phenylacetyl)oxy]pyrrolidinium bromide; [S-(R*,S*)]-3-[(Cyclopentylhydroxyphenylacetyl)oxy]-1,1-dimethylpyrrolidinium bromide; Trospium bromide analog; Chiral pyrrolidinium bromide ester
EINECS	Contact for details

Quality Control

Every batch of this chemical is produced under a strict quality management system to ensure identity, purity, and consistency. Our standard pharmaceutical-grade material is characterized using advanced analytical techniques including HPLC, NMR, and chiral analysis. A comprehensive Certificate of Analysis (COA) detailing purity, chiral purity, and impurity profiles is provided with each shipment to support your regulatory and R&D 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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening 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 (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral 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.