Description

3-Methyl-6-Phenylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate belonging to the fused isoxazolopyridine class of heterocyclic compounds. This compound serves as a critical building block in the research and development of novel active pharmaceutical ingredients (APIs), particularly for applications in medicinal chemistry and drug discovery. It is essential for synthetic chemists and R&D teams in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new therapeutic agents or functional materials.

Application

• Pharmaceutical Intermediate: Key synthetic precursor for the development of new drug candidates targeting various disease pathways.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization processes due to its complex heterocyclic scaffold.
• Agrochemical Synthesis: Potential building block for creating novel active ingredients in crop protection products.
• Fine Chemical Production: Serves as a specialized intermediate in the synthesis of complex organic molecules for high-value applications.
• Academic & Institutional R&D: Utilized in university and research institute laboratories for exploratory synthetic chemistry and new material development.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations providing custom synthesis and process development services.

Basic Information

Product Name	3-Methyl-6-Phenylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid
CAS No.	923884-15-5
Molecular Formula	C15H10N2O3
Molecular Weight	266.26 g/mol
Synonyms	3-Methyl-6-phenyl[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid; 3-Methyl-6-phenylisoxazolo[5,4-b]pyridine-4-carboxylic acid; 923884-15-5; 4-Isoxazolopyridine-4-carboxylic acid, 3-methyl-6-phenyl-; Isoxazolo[5,4-b]pyridine-4-carboxylic acid, 3-methyl-6-phenyl-
EINECS	Contact for details

Quality Control

Our 3-Methyl-6-Phenylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.