Description

Isoxazolo[4,5-B]Pyridin-5(4H)-One, 7-Hydroxy-3-Methyl- (9Ci) is a high-value heterocyclic organic compound with the CAS number 83988-34-5. This specialized chemical serves as a critical synthetic intermediate and building block in advanced pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists working in medicinal chemistry and fine chemical synthesis. Its unique fused isoxazole-pyridone structure makes it a versatile precursor for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-infective research.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Agrochemical Development: Serves as a precursor in the research and synthesis of new herbicides, fungicides, or insecticides with novel modes of action.
• Chemical Biology Probes: Utilized in the development of molecular probes for studying enzyme function and biological pathways.
• Fine Chemical Synthesis: Intermediate for the production of complex, high-value specialty chemicals and advanced materials.
• Academic & Institutional Research: Used in universities and research institutes for fundamental studies in heterocyclic chemistry and reaction methodology.

Basic Information

Item	Detail
Product Name	Isoxazolo[4,5-B]Pyridin-5(4H)-One, 7-Hydroxy-3-Methyl- (9Ci)
CAS No.	83988-34-5
Molecular Formula	C7H6N2O3
Molecular Weight	166.14 g/mol
Synonyms	7-Hydroxy-3-methylisoxazolo[4,5-b]pyridin-5(4H)-one; 3-Methyl-7-hydroxy-4H-isoxazolo[4,5-b]pyridin-5-one; 7-Hydroxy-3-methyl-4H-isoxazolo[4,5-b]pyridin-5-one; Isoxazolo[4,5-b]pyridine-5(4H)-one, 7-hydroxy-3-methyl-; 83988-34-5; 7-Hydroxy-3-methylisoxazolopyridinone
EINECS	Contact for details

Quality Control

Our Isoxazolo[4,5-B]Pyridin-5(4H)-One, 7-Hydroxy-3-Methyl- (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS). We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes 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 (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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