Description

4-Isoxazolecarboxylicacid,3,5-Dimethyl-,Methylester(9Ci) is a specialized heterocyclic building block with significant utility in advanced organic synthesis. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce the isoxazole moiety into target molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, especially those targeting neurological disorders and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole ring.
• Material Science Research: Serves as a precursor for novel polymers, ligands, or functional materials with specific electronic or photophysical properties.
• Academic & Contract Research: Essential reagent for methodological studies in heterocyclic chemistry and the development of new synthetic routes in university and CRO laboratories.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	4-Isoxazolecarboxylicacid,3,5-Dimethyl-,Methylester(9Ci)
CAS No.	56328-87-1
Molecular Formula	C7H9NO3
Molecular Weight	155.15 g/mol
Synonyms	Methyl 3,5-dimethyl-4-isoxazolecarboxylate; 3,5-Dimethylisoxazole-4-carboxylic acid methyl ester; 4-Carbomethoxy-3,5-dimethylisoxazole; 3,5-Dimethyl-4-isoxazolecarboxylic acid methyl ester; Methyl 3,5-dimethyl-1,2-oxazole-4-carboxylate; 3,5-Dimethyl-4-methoxycarbonylisoxazole; 4-Isoxazolecarboxylic acid, 3,5-dimethyl-, methyl ester
EINECS	Contact for details

Quality Control

Our 4-Isoxazolecarboxylicacid,3,5-Dimethyl-,Methylester(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles 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 (typically 15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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