Description

3,4-Dichloro-5-Methoxypyridazine is a versatile halogenated pyridazine derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its reactive dichloro and methoxy substituents, which enable precise functionalization for creating complex molecular architectures. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly in the development of novel active ingredients and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for candidates targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its pyridazine core for biological activity.
• Chemical Research & Development: A valuable scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing specialized ligands used in catalytic processes and material science.
• Fine Chemical Production: Employed in the multistep synthesis of complex dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	3,4-Dichloro-5-Methoxypyridazine
CAS No.	63910-32-7
Molecular Formula	C5H4Cl2N2O
Molecular Weight	179.00 g/mol
Synonyms	5-Methoxy-3,4-dichloropyridazine; 3,4-Dichloro-5-methoxy-1,2-diazine; 3,4-Dichloro-5-methoxypyridazine; 5-Methoxy-3,4-dichloro-1,2-diazine; 1,2-Diazine, 3,4-dichloro-5-methoxy-; 3,4-Dichloro-5-methoxy-pyridazine; Pyridazine, 3,4-dichloro-5-methoxy-
EINECS	Contact for details

Quality Control

Our 3,4-Dichloro-5-Methoxypyridazine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and commercial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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