Description

1-Chloropyrido[3,4-d]pyridazine is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for lead optimization and scalable route development.

Application

• Pharmaceutical Intermediate: A critical synthon for the synthesis of potential kinase inhibitors and other biologically active nitrogen-containing heterocycles.
• Agrochemical Research: Used in the discovery and development of new herbicides and fungicides with novel modes of action.
• Material Science: Serves as a building block for creating organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components for organic semiconductors.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological pathways.
• Academic & Contract Research: A valuable reagent for methodological development in organic chemistry and for exploring new chemical spaces in discovery programs.

Basic Information

Product Name	1-Chloropyrido[3,4-d]pyridazine
CAS No.	162022-92-6
Molecular Formula	C7H4ClN3
Molecular Weight	165.58 g/mol
Synonyms	1-Chloro-pyrido[3,4-d]pyridazine; Pyrido[3,4-d]pyridazine, 1-chloro-; 1-Chloro-1H-pyrido[3,4-d]pyridazine; 1-Chloro-1H-pyrido[3,4-d]pyridazine; 1-Chloro-1H-pyrido[3,4-d]pyridazine; 1-Chloro-1H-pyrido[3,4-d]pyridazine; 1-Chloro-1H-pyrido[3,4-d]pyridazine; 1-Chloro-1H-pyrido[3,4-d]pyridazine
EINECS	Contact for details

Quality Control

Our 1-Chloropyrido[3,4-d]pyridazine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.