Description

5-Methyl-4-[(3-Methylphenoxy)Methyl]Isoxazole-3-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate with a distinct heterocyclic structure. This compound is valued for its role as a key synthetic building block in the development of novel active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors engaged in the synthesis of complex molecules for therapeutic and crop protection applications.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of target drug molecules, particularly those containing the isoxazole pharmacophore.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, and insecticides with specific modes of action.
• Chemical Synthesis: Used in organic chemistry research for constructing complex heterocyclic frameworks and exploring new reaction pathways.
• API Development: Integral to the research and process development stages for new Active Pharmaceutical Ingredients (APIs).
• Material Science: Potential intermediate for synthesizing specialty polymers or functional materials with specific electronic or biological properties.

Basic Information

Product Name	5-Methyl-4-[(3-Methylphenoxy)Methyl]Isoxazole-3-Carboxylic Acid
CAS No.	905809-11-2
Molecular Formula	C14H15NO4
Molecular Weight	261.27 g/mol
Synonyms	4-[(3-Methylphenoxy)methyl]-5-methyl-1,2-oxazole-3-carboxylic acid; 5-Methyl-4-[(3-methylphenoxy)methyl]-3-isoxazolecarboxylic acid; 5-Methyl-4-[(m-tolyloxy)methyl]isoxazole-3-carboxylic acid; 905809-11-2; 4-[(3-Methylphenoxy)methyl]-5-methylisoxazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-4-[(3-Methylphenoxy)Methyl]Isoxazole-3-Carboxylic Acid adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory 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 (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
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.