Description

2,4,6,8-Tetrachloroquinazoline CAS NO 54185-42-1 is a versatile halogenated heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its high reactivity, serving as a key precursor for constructing complex molecules in pharmaceutical and agrochemical research. This compound is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel quinazoline-based drug candidates, including kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the bioactivity of the quinazoline scaffold.
• Material Science Research: Serves as a monomer or cross-linking agent in the creation of specialty polymers and advanced organic electronic materials.
• Dye and Pigment Chemistry: Acts as an intermediate for synthesizing complex heterocyclic dyes and functional colorants.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme function and cellular processes.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects requiring functionalized quinazoline derivatives.

Basic Information

Product Name	2,4,6,8-Tetrachloroquinazoline
CAS No.	54185-42-1
Molecular Formula	C8H2Cl4N2
Molecular Weight	279.93 g/mol
Synonyms	2,4,6,8-Tetrachloro-quinazoline; Quinazoline, 2,4,6,8-tetrachloro-; Tetrachloroquinazoline; 2,4,6,8-TCQ; 1,3,5,7-Tetrachloro-1,5-diazanaphthalene (alternative numbering); NSC 403114; AI3-52090
EINECS	Contact for details

Quality Control

Every batch of 2,4,6,8-Tetrachloroquinazoline is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for research and fine chemical intermediates. Comprehensive analytical testing, including HPLC for purity and identity confirmation, is performed. Certificates of Analysis (COA) detailing batch-specific results are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.