Description

6-Bromo-4-Chlorophthalazin-1(2H)-One is a high-purity, heterocyclic organic building block of significant interest in advanced chemical synthesis. Its core value lies in its dual halogenated structure, which provides versatile reactivity for constructing complex molecular architectures. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of novel drug candidates, particularly those targeting kinase inhibition or other heterocycle-dependent biological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides, leveraging its halogenated phthalazinone scaffold.
• Organic Synthesis Building Block: Serves as a versatile substrate for cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) and nucleophilic aromatic substitution, enabling the creation of diverse chemical libraries.
• Material Science Research: Investigated as a potential monomer or precursor for the synthesis of specialized polymers and organic electronic materials.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions in API manufacturing.

Basic Information

Product Name	6-Bromo-4-Chlorophthalazin-1(2H)-One
CAS No.	1028338-59-1
Molecular Formula	C8H4BrClN2O
Molecular Weight	259.49 g/mol
Synonyms	6-Bromo-4-chloro-1,2-dihydrophthalazin-1-one; 6-Bromo-4-chloro-2H-phthalazin-1-one; 4-Chloro-6-bromophthalazin-1(2H)-one; 1(2H)-Phthalazinone, 6-bromo-4-chloro-; 6-Bromo-4-chloro-1-phthalazinone; 6-Bromo-4-chlorophthalazinone; 6-Br-4-Cl-phthalazin-1-one
EINECS	Contact for details

Quality Control

Our 6-Bromo-4-Chlorophthalazin-1(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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