Description

Cyclopenthiazide is a potent thiazide diuretic and antihypertensive agent belonging to the benzothiadiazine class. This compound is a critical active pharmaceutical ingredient (API) used in the formulation of medications to manage conditions such as hypertension and edema. It is primarily required by pharmaceutical manufacturers and research institutions engaged in cardiovascular drug development and production.

Application

• As an Active Pharmaceutical Ingredient (API) in the manufacture of antihypertensive medications.
• As a key component in fixed-dose combination drugs for enhanced cardiovascular therapy.
• For use in pharmaceutical research and development of novel diuretic formulations.
• In the production of reference standards for quality control and analytical testing.
• As a chemical intermediate in advanced organic synthesis for related pharmacologically active molecules.

Basic Information

Product Name	Cyclopenthiazide
CAS No.	742-20-1
Molecular Formula	C13H18ClN3O4S2
Molecular Weight	379.88 g/mol
Synonyms	6-Chloro-3-(cyclopentylmethyl)-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide; Cyclomethiazide; Navidrex; Salimid; Cyclopentiazide; NSC-107679; Benzothiadiazine derivative; 3-Cyclopentylmethyl-6-chloro-7-sulfamoyl-3,4-dihydro-1,2,4-benzothiadiazine 1,1-dioxide
EINECS	212-025-8

Quality Control

Our Cyclopenthiazide is manufactured under strict quality management systems. The product undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical applications. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing purity, identity, and impurity profiles.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%
Heavy Metals	≤ 20 ppm

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