Description

Cimetropium Bromide is a quaternary ammonium anticholinergic agent with specific antimuscarinic properties. This compound is of significant interest in the pharmaceutical industry for its role as a spasmolytic agent, targeting smooth muscle hyperactivity. It is primarily utilized by manufacturers of active pharmaceutical ingredients (APIs) and finished dosage forms, particularly for gastrointestinal and genitourinary indications.

Application

• Active Pharmaceutical Ingredient (API) in antispasmodic and anticholinergic medications.
• Key intermediate in the synthesis of specialized gastrointestinal therapeutics.
• Research and development of new chemical entities targeting muscarinic receptors.
• Production of reference standards for analytical and quality control laboratories.
• Formulation of injectable solutions for acute spasm relief.
• Development of combination drug therapies for irritable bowel syndrome (IBS).

Basic Information

Product Name	Cimetropium Bromide
CAS No.	51598-60-8
Molecular Formula	C21H30BrNO3
Molecular Weight	424.38 g/mol
Synonyms	Alginor; Cimetropium; (3-Hydroxy-1-methylpyrrolidinium) bromide benzilate; 3-Hydroxy-1,1-dimethylpyrrolidinium bromide benzilate; 1-Methyl-3-pyrrolidyl benzilate methobromide; 3-[(Hydroxydiphenylacetyl)oxy]-1,1-dimethylpyrrolidinium bromide
EINECS	257-300-9

Quality Control

Our Cimetropium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles. Our quality systems are designed to support regulatory filings in key global markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%; Any single impurity ≤ 0.5%

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