Description

Doqualast is a synthetic chemical compound with specific pharmacological activity, identified by CAS No. 64019-03-0. This compound is valued for its targeted action as a mediator release inhibitor, making it a critical intermediate in advanced pharmaceutical research and development. It is primarily sought by R&D teams and manufacturers in the pharmaceutical and life sciences sectors for developing new therapeutic agents.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs).
• Mediator Release Inhibition Research: Used in preclinical and clinical research studies targeting allergic and inflammatory pathways.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and validation.
• Biochemical Research: Utilized in life science research to study cellular signaling and immune response mechanisms.

Basic Information

Product Name	Doqualast
CAS No.	64019-03-0
Molecular Formula	C19H18N2O5S
Molecular Weight	386.42 g/mol
Synonyms	Doqualast; 64019-03-0; 4,5-Dihydro-4-oxo-10-propyl-4H-pyrano[3,2-g]quinoline-2,8-dicarboxylic acid; FPL 58668; FPL-58668; 4H-Pyrano[3,2-g]quinoline-2,8-dicarboxylic acid, 4,5-dihydro-4-oxo-10-propyl-; Mediator Release Inhibitor FPL 58668
EINECS	Contact for details

Quality Control

Our Doqualast is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification (IR, HPLC), assay, and impurity profiling, to ensure it meets high-purity standards suitable for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee traceability and batch-to-batch consistency.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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