Description

Pyridazine, 4-(3-Methyl-5-Isoxazolyl)- (9Ci) is a specialized heterocyclic compound that serves as a valuable building block in advanced organic synthesis. This high-purity intermediate is critical for researchers and manufacturers developing novel active pharmaceutical ingredients (APIs) and agrochemicals. Its unique fused-ring structure makes it particularly relevant for the pharmaceutical, agrochemical, and material science industries, where precise molecular architecture is required for target-specific applications.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for biological activity.
• Material Science Research: Serves as a precursor for the synthesis of advanced organic electronic materials, such as ligands for OLEDs or conductive polymers.
• Chemical Biology & Proteomics: Employed as a molecular scaffold or tagging agent in the development of chemical probes and enzyme inhibitors.
• Academic & Contract Research: Essential for methodological studies in heterocyclic chemistry and novel reaction pathway exploration.
• Custom Synthesis & Scale-up: A starting material for contract manufacturing organizations (CMOs) producing bespoke compounds for client projects.

Basic Information

Item	Detail
Product Name	Pyridazine, 4-(3-Methyl-5-Isoxazolyl)- (9Ci)
CAS No.	39123-41-6
Molecular Formula	C8H7N3O
Molecular Weight	161.16 g/mol
Synonyms	4-(3-Methyl-5-isoxazolyl)pyridazine; 4-(3-Methyl-1,2-oxazol-5-yl)pyridazine; 3-Methyl-5-(pyridazin-4-yl)isoxazole; 39123-41-6; 4-(3-Methyl-5-isoxazolyl)pyridazine (9CI); 5-(Pyridazin-4-yl)-3-methylisoxazole; Pyridazine, 4-(3-methyl-5-isoxazolyl)-
EINECS	Contact for details

Quality Control

Our Pyridazine, 4-(3-Methyl-5-Isoxazolyl)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing all specifications are available upon request to support your regulatory and quality assurance needs.

Storage

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

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%
Heavy Metals	≤ 20 ppm

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