Description

2-Chloro-5,6-Dihydrobenzo[H]Quinazoline is a high-value, heterocyclic organic compound that serves as a critical synthetic intermediate in advanced pharmaceutical and agrochemical research. Its unique fused quinazoline structure makes it a versatile building block for developing novel active ingredients and functional materials. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting kinase inhibition or other biological pathways where the quinazoline scaffold is active.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Serves as a building block for organic semiconductors, ligands for catalysis, or other functional organic materials.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and CRO laboratories.
• Chemical Synthesis: Utilized in further functionalization reactions, such as cross-coupling, to create more complex molecular libraries.

Basic Information

Product Name	2-Chloro-5,6-Dihydrobenzo[H]Quinazoline
CAS No.	13036-53-8
Molecular Formula	C12H9ClN2
Molecular Weight	216.67 g/mol
Synonyms	2-Chloro-5,6-dihydrobenzo[h]quinazoline; 5,6-Dihydrobenzo[h]quinazolin-2-yl chloride; Benzo[h]quinazoline, 2-chloro-5,6-dihydro-; 2-Chloro-5,6-dihydrobenzo[h]quinazoline; 13036-53-8; 2-Chloro-5,6-dihydro-benzo[h]quinazoline; 2-Chloro-5,6-dihydrobenzo[h]quinazoline (ACI)
EINECS	Contact for details

Quality Control

Our 2-Chloro-5,6-Dihydrobenzo[H]Quinazoline is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive analytical data to support your regulatory and process needs. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.