Description

4-(4-Methoxyphenyl)Isoxazolo[3,4-D]Pyridazin-7(6H)-One is a high-purity, advanced pharmaceutical intermediate belonging to the fused heterocyclic compound class. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in drug discovery and process development.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the research and synthesis of new drug candidates, especially those targeting central nervous system (CNS) disorders or inflammatory pathways.
• Organic Synthesis Building Block: Used in medicinal chemistry for constructing complex fused heterocyclic scaffolds, enabling structure-activity relationship (SAR) studies.
• Agrochemical Research: Potential application in the development of new agrochemicals, such as herbicides or fungicides, leveraging its unique isoxazolopyridazine core.
• Material Science Research: Investigated for use in the development of organic electronic materials or photoactive compounds due to its conjugated system.
• Contract Research & Development (CRO/CMO): Supplied to organizations specializing in custom synthesis and scale-up services for the life sciences industry.

Basic Information

Product Name	4-(4-Methoxyphenyl)Isoxazolo[3,4-D]Pyridazin-7(6H)-One
CAS No.	952182-88-6
Molecular Formula	C₁₄H₁₁N₃O₃
Molecular Weight	269.26 g/mol
Synonyms	4-(4-Methoxyphenyl)-6H-isoxazolo[3,4-d]pyridazin-7-one; 4-(p-Methoxyphenyl)isoxazolo[3,4-d]pyridazin-7(6H)-one; Isoxazolo[3,4-d]pyridazin-7(6H)-one, 4-(4-methoxyphenyl)-; 952182-88-6; 4-(4-Methoxyphenyl)-7H-isoxazolo[3,4-d]pyridazin-7-one; 4-(4-Methoxyphenyl)isoxazolo[3,4-d]pyridazin-7-one
EINECS	Contact for details

Quality Control

Every batch of 4-(4-Methoxyphenyl)Isoxazolo[3,4-D]Pyridazin-7(6H)-One is manufactured under strict quality management systems. Our products undergo rigorous quality testing, including HPLC, NMR, and mass spectrometry, to ensure compliance with industry standards and customer specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your regulatory and R&D documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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