Description

Clonidine CAS NO 4205-90-7 is a high-purity pharmaceutical active ingredient belonging to the class of imidazoline derivatives. This compound is critical for the development and production of antihypertensive and central nervous system medications, offering reliable therapeutic efficacy. It is primarily required by pharmaceutical manufacturers, research institutions, and fine chemical suppliers engaged in the synthesis of advanced drug formulations.

Application

• Active Pharmaceutical Ingredient (API) in the manufacture of antihypertensive medications.
• Key intermediate in the synthesis of clonidine hydrochloride and other related pharmaceutical salts.
• Reference standard for analytical method development and quality control in pharmaceutical laboratories.
• Research chemical for neurological and cardiovascular studies in academic and R&D institutions.
• Raw material for compounding pharmacies requiring high-purity actives.
• Starting material for the development of transdermal patches and other controlled-release drug delivery systems.

Basic Information

Product Name	Clonidine
CAS No.	4205-90-7
Molecular Formula	C9H9Cl2N3
Molecular Weight	230.09 g/mol
Synonyms	2-[(2,6-Dichlorophenyl)imino]imidazolidine; 2-(2,6-Dichloroanilino)-2-imidazoline; Catapres (base); ST-155; Isoglaucon; Clonidina; Clonidinum; Dixarit
EINECS	224-116-0

Quality Control

Our Clonidine is produced 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 compliance with in-house specifications and relevant pharmacopeial guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a low-humidity environment to prevent moisture absorption.

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%
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.