Description

Chloropyramine CAS NO 59-32-5 is a first-generation H1-antihistamine compound belonging to the ethylenediamine class. It is valued for its potent and selective antagonism of histamine H1 receptors, providing a foundational chemical structure for pharmaceutical research and development. This active pharmaceutical ingredient (API) is primarily utilized by pharmaceutical manufacturers and research institutions in the development and production of anti-allergic and antipruritic medications.

Application

• Pharmaceutical API: Core active ingredient in the formulation of anti-allergy and antihistamine drugs.
• Research Chemical: Used in pharmacological and biochemical studies to investigate histamine pathways and receptor mechanisms.
• Veterinary Medicine: Employed in the development of treatments for allergic reactions in animals.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in laboratories.
• Intermediate Synthesis: Acts as a key chemical building block for the synthesis of more complex pharmaceutical derivatives.

Basic Information

Product Name	Chloropyramine
CAS No.	59-32-5
Molecular Formula	C16H20ClN3
Molecular Weight	289.80 g/mol
Synonyms	Chloropyramine; Halopyramine; Chloropyramine Hydrochloride (salt form); N-(4-Chlorobenzyl)-N',N'-dimethyl-N-2-pyridylethylenediamine; 1-(4-Chlorobenzyl)-2-(1-pyrrolidinylmethyl)benzimidazole (common mis-assignment); Suprastin (historical brand association); Synopen; Chlorotripelennamine
EINECS	200-408-6

Quality Control

Our Chloropyramine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via HPLC, to ensure it meets high-grade pharmaceutical standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

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 light-sensitive; appropriate handling procedures should be followed to prevent degradation.

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)	≥ 98.5%
Related Substances (HPLC)	Total impurities ≤ 1.0% Any single impurity ≤ 0.5%
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.