Description

3-Phenyl-6-Thien-2-Ylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid is a high-purity, complex heterocyclic compound serving as a critical building block in advanced organic synthesis. Its unique fused-ring structure containing isoxazole, pyridine, and thiophene moieties makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for lead optimization and the creation of new molecular entities with targeted biological or electronic properties.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) agents, anti-inflammatory, or antimicrobial therapies.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, or insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Material Science Precursor: Serves as a building block for organic semiconductors, ligands for catalysis, or fluorescent dyes due to its conjugated π-system.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and structure-activity relationship (SAR) exploration.
• Custom Synthesis Starting Material: Provided to fine chemical manufacturers for the tailored production of complex, high-value specialty chemicals.

Basic Information

Product Name	3-Phenyl-6-Thien-2-Ylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid
CAS No.	937597-62-1
Molecular Formula	C19H10N2O3S
Molecular Weight	346.36 g/mol
Synonyms	3-Phenyl-6-(thiophen-2-yl)isoxazolo[5,4-b]pyridine-4-carboxylic acid; 6-(Thiophen-2-yl)-3-phenylisoxazolo[5,4-b]pyridine-4-carboxylic acid; 937597-62-1; Isoxazolopyridinecarboxylic acid derivative; Thienyl-isoxazolopyridine carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 3-Phenyl-6-Thien-2-Ylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized and released against comprehensive specifications, including identity confirmation by spectroscopic methods and purity determination by HPLC. Certificates of Analysis (COA) detailing all critical quality attributes are provided with each shipment to support your R&D and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). This compound may be light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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