Description

1,4-Dichloro-5,6,7,8-tetrahydrophthalazine is a versatile heterocyclic building block and key synthetic intermediate of significant interest in advanced organic chemistry. Its value lies in its reactive dichloro-substituted phthalazine core, which enables the construction of complex molecular architectures. This compound is primarily sought by researchers and process chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a building block for electron-transport materials or host materials in OLED device fabrication.
• Coordination Chemistry & Ligand Synthesis: Utilized to create novel chelating ligands for catalysis or metal-organic frameworks (MOFs).
• Dye & Pigment Intermediate: Employed in the synthesis of specialized heterocyclic dyes and high-performance pigments.
• Academic & Contract Research: A valuable reagent for methodological studies in organic synthesis and medicinal chemistry research programs.

Basic Information

Product Name	1,4-Dichloro-5,6,7,8-tetrahydrophthalazine
CAS No.	67279-24-7
Molecular Formula	C8H8Cl2N2
Molecular Weight	203.07 g/mol
Synonyms	1,4-Dichloro-5,6,7,8-tetrahydrophthalazine; 5,6,7,8-Tetrahydro-1,4-dichlorophthalazine; 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine; NSC 339586; 1,4-Dichlorotetrahydrophthalazine; Phthalazine, 1,4-dichloro-5,6,7,8-tetrahydro-; 67279-24-7
EINECS	Contact for details

Quality Control

Our 1,4-Dichloro-5,6,7,8-tetrahydrophthalazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

Storage

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

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.