Description

4-Isoxazolecarboxylicacid,3-(2-Methylphenyl)-,Methylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel pharmacologically active molecules, particularly within medicinal chemistry research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical scaffold in the synthesis of potential drug candidates targeting various disease pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides with novel modes of action.
• Chemical Biology Probe Synthesis: Employed to create tool compounds for studying biological processes and target validation.
• Material Science Precursor: Potential building block for advanced organic materials, such as ligands for catalysts or components in organic electronics.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.
• Academic Research: Utilized in university and institutional laboratories for methodological development and exploration of new chemical space.

Basic Information

Product Name	4-Isoxazolecarboxylicacid,3-(2-Methylphenyl)-,Methylester(9Ci)
CAS No.	420807-93-8
Molecular Formula	C12H11NO3
Molecular Weight	217.22 g/mol
Synonyms	Methyl 3-(2-methylphenyl)isoxazole-4-carboxylate; 3-(2-Methylphenyl)-4-isoxazolecarboxylic Acid Methyl Ester; 4-Carbomethoxy-3-(o-tolyl)isoxazole; 3-(o-Tolyl)isoxazole-4-carboxylic acid methyl ester; 420807-93-8; AI3-52031; SCHEMBL188055; ZINC000003922176
EINECS	Contact for details

Quality Control

Our 4-Isoxazolecarboxylicacid,3-(2-Methylphenyl)-,Methylester(9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical properties are provided and available upon request, supporting compliance with cGMP and ISO 9001 standards where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible organic solvents. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% 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.