Description

2,4-Dichloro-1,2,3,4-tetrahydro-6,7-dimethylquinazoline is a versatile halogenated quinazoline derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its functionalized bicyclic structure, which provides a key scaffold for constructing more complex molecules with targeted biological or material properties. This compound is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or exhibiting kinase inhibitory activity.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the quinazoline core's bioactivity.
• Chemical Synthesis: Serves as a versatile precursor for further functionalization, enabling the creation of libraries of compounds for high-throughput screening (HTS).
• Material Science: Potential intermediate in the synthesis of organic electronic materials or specialty dyes due to its conjugated system.
• Academic & Contract Research: Employed in university laboratories and CROs (Contract Research Organizations) for methodological studies and discovery chemistry projects.

Basic Information

Product Name	2,4-Dichloro-1,2,3,4-tetrahydro-6,7-dimethylquinazoline
CAS No.	20197-84-6
Molecular Formula	C₁₁H₁₂Cl₂N₂
Molecular Weight	243.13 g/mol
Synonyms	2,4-Dichloro-6,7-dimethyl-1,2,3,4-tetrahydroquinazoline; 6,7-Dimethyl-2,4-dichloro-1,2,3,4-tetrahydroquinazoline; 1,2,3,4-Tetrahydro-6,7-dimethyl-2,4-dichloroquinazoline; Quinazoline, 2,4-dichloro-1,2,3,4-tetrahydro-6,7-dimethyl-; 2,4-Dichloro-6,7-dimethyl-3,4-dihydro-1H-quinazoline; 20197-84-6 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 2,4-Dichloro-1,2,3,4-tetrahydro-6,7-dimethylquinazoline is produced under strict quality management systems to ensure batch-to-batch consistency and high purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and GC-MS, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

Storage

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

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%

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