Description

5-o-Tolyl-Isoxazole-4-Carboxylic Acid is a high-purity organic intermediate featuring a versatile isoxazole-carboxylic acid scaffold. This compound is of significant value for its role as a key building block in the synthesis of complex molecules, particularly in pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the agrochemical and pharmaceutical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting inflammation, infectious diseases, and central nervous system disorders.
• Agrochemical Research: Serves as a core scaffold for developing new herbicides, fungicides, and insecticides with potentially improved efficacy and environmental profiles.
• Material Science: Used in the research and development of advanced polymers, liquid crystals, and organic electronic materials due to its rigid heterocyclic structure.
• Chemical Biology & Proteomics: Employed as a specialty building block for creating molecular probes, enzyme inhibitors, and activity-based protein profiling (ABPP) reagents.
• Academic & Contract Research: Essential for synthetic organic chemistry research in academic institutions and CROs (Contract Research Organizations) exploring new heterocyclic chemistry and reaction methodologies.

Basic Information

Product Name	5-o-Tolyl-Isoxazole-4-Carboxylic Acid
CAS No.	887408-10-8
Molecular Formula	C11H9NO3
Molecular Weight	203.19 g/mol
Synonyms	5-(2-Methylphenyl)-1,2-oxazole-4-carboxylic acid; 5-(o-Tolyl)isoxazole-4-carboxylic acid; 4-Isoxazolecarboxylic acid, 5-(2-methylphenyl)-; 5-(2-Methylphenyl)-4-isoxazolecarboxylic acid; 5-(2-Tolyl)isoxazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-o-Tolyl-Isoxazole-4-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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