Description

5-Hydroxy-3-Methylisoxazolo[4,5-C]Quinolin-4(5H)-One is a specialized heterocyclic organic compound belonging to the isoxazoloquinolinone class, serving as a critical advanced intermediate in pharmaceutical research and development. Its unique fused-ring structure makes it a valuable scaffold for synthesizing novel bioactive molecules targeting various therapeutic areas. This high-purity building block is essential for medicinal chemists and R&D teams in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new compounds with potential biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective applications.
• Medicinal Chemistry Research: Used as a core scaffold for constructing compound libraries in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Development: Serves as a building block for creating new active ingredients with potential herbicidal or pesticidal properties.
• Biochemical Probe Synthesis: Utilized in the development of chemical probes for studying enzyme mechanisms and biological pathways.
• Fine Chemical Synthesis: Employed in multi-step organic syntheses to create complex, high-value specialty chemicals.

Basic Information

Product Name	5-Hydroxy-3-Methylisoxazolo[4,5-C]Quinolin-4(5H)-One
CAS No.	21201-45-6
Molecular Formula	C12H8N2O3
Molecular Weight	228.21 g/mol
Synonyms	3-Methyl-5-hydroxyisoxazolo[4,5-c]quinolin-4(5H)-one; 5-Hydroxy-3-methyl-4H-isoxazolo[4,5-c]quinolin-4-one; Isoxazolo[4,5-c]quinolin-4(5H)-one, 5-hydroxy-3-methyl-; 21201-45-6; 3-Methyl-5H-isoxazolo[4,5-c]quinoline-4,5-dione (tautomer); 5-Hydroxy-3-methylisoxazoloquinolinone
EINECS	Contact for details

Quality Control

Our 5-Hydroxy-3-Methylisoxazolo[4,5-C]Quinolin-4(5H)-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We support custom synthesis and can tailor specifications to meet specific project requirements, including compliance with ICH guidelines for pharmaceutical intermediates.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
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.