Description

6-(2,5-Dimethylthien-3-Yl)-3-Methylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with a complex fused heterocyclic structure. 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 sophisticated molecular scaffolds. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in drug discovery and process development for targeted therapies.

Application

This specialized intermediate serves as a key precursor in several high-value chemical synthesis pathways. Its primary applications include:

• Pharmaceutical Intermediate: Core building block for the synthesis of novel drug candidates, especially in oncology and central nervous system (CNS) research.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing complex isoxazolopyridine-based libraries for biological screening.
• Agrochemical Development: Potential intermediate in the research and synthesis of new generation crop protection agents with specific activity.
• Material Science Precursor: Investigated for the development of organic electronic materials due to its conjugated heterocyclic system.

Basic Information

Product Name	6-(2,5-Dimethylthien-3-Yl)-3-Methylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid
CAS No.	923177-94-0
Molecular Formula	C15H14N2O3S
Molecular Weight	302.35 g/mol
Synonyms	3-Methyl-6-(2,5-dimethyl-3-thienyl)isoxazolo[5,4-b]pyridine-4-carboxylic acid; 6-(2,5-Dimethyl-3-thienyl)-3-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid; Isoxazolo[5,4-b]pyridine-4-carboxylic acid, 6-(2,5-dimethyl-3-thienyl)-3-methyl-; CAS 923177-94-0
EINECS	Contact for details

Quality Control

Our production of 6-(2,5-Dimethylthien-3-Yl)-3-Methylisoxazolo[5,4-B]Pyridine-4-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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