Description

Quinazoline CAS NO 253-82-7 is a nitrogen-containing heterocyclic compound that serves as a fundamental building block in organic synthesis. Its fused pyrimidine and benzene ring structure makes it a privileged scaffold for developing biologically active molecules. This versatile intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, enabling the creation of novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: Core scaffold for synthesizing a wide range of drug candidates, including kinase inhibitors, anticancer agents, and antimicrobial compounds.
• Agrochemical Research: Key precursor in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Used in the synthesis of organic ligands for metal-organic frameworks (MOFs) and functional polymers.
• Dye and Pigment Chemistry: Serves as a starting material for creating heterocyclic dyes and fluorescent markers.
• Academic & R&D: Fundamental research compound for studying heterocyclic chemistry and reaction mechanisms.
• Chemical Synthesis: Versatile reagent for constructing more complex fused heterocyclic systems through various cyclization and functionalization reactions.

Basic Information

Product Name	Quinazoline
CAS No.	253-82-7
Molecular Formula	C8H6N2
Molecular Weight	130.15 g/mol
Synonyms	1,3-Diazanaphthalene; Benzo[d]pyrimidine; 1,3-Benzodiazine; 5,6-Benzopyrimidine; Benzopyrimidine; Quinazoline base
EINECS	205-976-5

Quality Control

Our Quinazoline is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and industrial use. We employ advanced analytical techniques, including HPLC, GC, and NMR, to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Approx. 48 - 52 °C
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.