Description

Quinethazone (1.5 G) is a high-purity pharmaceutical intermediate and research chemical. This compound is valued for its role as a key building block in the synthesis of specialized active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and manufacturers in the pharmaceutical and life sciences sectors for development and production purposes. We ensure a reliable supply of this material with consistent quality to support critical R&D and manufacturing processes.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of diuretic and antihypertensive active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new therapeutic agents.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and impurity profiling.
• Chemical Synthesis: Acts as a specialized building block for organic chemists creating novel compounds with potential biological activity.

Basic Information

Product Name	Quinethazone (1.5 G)
CAS No.	73-49-4
Molecular Formula	C₁₀H₁₂ClN₃O₃S
Molecular Weight	289.74 g/mol
Synonyms	7-Chloro-2-ethyl-1,2,3,4-tetrahydro-4-oxo-6-quinazolinesulfonamide; Quinethazone; Hydromox; Aquamox; Quinetazone; 6-Quinazolinesulfonamide, 7-chloro-2-ethyl-1,2,3,4-tetrahydro-4-oxo-; NSC-107679
EINECS	200-804-9

Quality Control

Our Quinethazone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided, documenting key parameters such as assay, related substances, and residual solvents. Our quality protocols are designed to meet the stringent requirements of pharmaceutical intermediate applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%
Loss on Drying	≤ 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.