Description

Piriqualone CAS NO 1897-89-8 is a synthetic organic compound belonging to the quinazolinone class, recognized for its specific biological activity. This compound is of significant interest in advanced research and development, particularly for its potential as a pharmacological agent. It serves as a critical intermediate and reference standard for pharmaceutical companies, contract research organizations (CROs), and academic institutions engaged in neuroscience and medicinal chemistry programs.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel therapeutic agents targeting the central nervous system.
• Reference Standard: Used for analytical method development, validation, and quality control in pharmaceutical laboratories.
• Neuroscience Research: Employed in preclinical studies to investigate mechanisms related to neurological pathways and conditions.
• Medicinal Chemistry R&D: A valuable scaffold for structure-activity relationship (SAR) studies to optimize drug candidates.
• Biochemical Research: Utilized in vitro assays to study specific receptor interactions and enzyme activities.
• Contract Manufacturing: Supplied to CDMOs for the production of non-commercial batches for clinical trials and research purposes.

Basic Information

Product Name	Piriqualone
CAS No.	1897-89-8
Molecular Formula	C₁₄H₁₀N₂O₂
Molecular Weight	238.24 g/mol
Synonyms	Piriqualone; 2-Methyl-3-(o-tolyl)-4(3H)-quinazolinone; 2-Methyl-3-(2-methylphenyl)-4-quinazolinone; 3-(2-Methylphenyl)-2-methyl-4(3H)-quinazolinone; Piriqualon; Piriqualone; Piriqualon; NSC 113927
EINECS	217-590-3

Quality Control

Our Piriqualone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide detailed Certificates of Analysis (COA) with each shipment, ensuring traceability and compliance with your research and development specifications. Our quality commitment supports applications requiring high-purity reference standards and intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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