Description

Cinalukast is a high-purity pharmaceutical intermediate and active pharmaceutical ingredient (API) with significant therapeutic potential. This compound is valued for its role in the research and development of novel respiratory and anti-inflammatory medications. It is primarily utilized by pharmaceutical manufacturers, biotechnology research firms, and academic institutions engaged in drug discovery. Our supply of Cinalukast CAS NO 128312-51-6 is characterized by stringent quality control to meet the exacting standards of the global life sciences industry.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of advanced active pharmaceutical ingredients (APIs).
• Respiratory Drug Research: Central to the development of leukotriene receptor antagonists for treating conditions like asthma and allergic rhinitis.
• Anti-inflammatory Agent Development: Used in preclinical and clinical research for inflammatory pathway modulation.
• Biochemical Research: Serves as a reference standard and a tool compound for pharmacological studies.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for GMP-grade production.
• Academic & Institutional Research: Used in university and institutional labs for medicinal chemistry and pharmacology programs.

Basic Information

Product Name	Cinalukast
CAS No.	128312-51-6
Molecular Formula	C26H23N3O4S
Molecular Weight	473.55 g/mol
Synonyms	Cinalukast; 2-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-(dimethylamino-methyl)-4-oxo-4H-1-benzopyran-7-yl β-D-glucopyranosiduronic acid; 7-[[2-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-(dimethylaminomethyl)-4-oxo-4H-1-benzopyran-5-yl]oxy]-β-D-glucopyranuronic acid; ONO-RS-411; RS-411; Leukotriene D4 antagonist
EINECS	Contact for details

Quality Control

Our Cinalukast is produced and tested under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, residual solvent analysis, and identification by spectroscopic methods, to ensure it meets the high standards required for pharmaceutical R&D and manufacturing. Certificates of Analysis (COA) with full traceability are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥98.0%
Related Substances (HPLC)	Total impurities ≤2.0%
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.