Description

4-Isoxazolecarboxylicacid,5-Ethyl-3-Methyl-(9Ci) CAS NO 69083-54-1 is a heterocyclic carboxylic acid derivative belonging to the isoxazole class of compounds. This specialized chemical building block is valued for its unique molecular architecture, which serves as a critical intermediate in the synthesis of more complex molecules. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for applications in drug discovery and advanced material science.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the creation of advanced herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole ring.
• Chemical Research: Serves as a versatile building block in organic synthesis for constructing complex heterocyclic frameworks in academic and industrial laboratories.
• Material Science Precursor: Potential use in the development of specialty polymers, ligands for catalysis, and functional materials.
• Bioconjugation & Probe Development: The carboxylic acid functionality allows for coupling reactions, making it useful for creating biochemical probes and diagnostic agents.

Basic Information

Product Name	4-Isoxazolecarboxylicacid,5-Ethyl-3-Methyl-(9Ci)
CAS No.	69083-54-1
Molecular Formula	C7H9NO3
Molecular Weight	155.15 g/mol
Synonyms	5-Ethyl-3-methyl-1,2-oxazole-4-carboxylic acid; 5-Ethyl-3-methylisoxazole-4-carboxylic acid; 3-Methyl-5-ethyl-4-isoxazolecarboxylic acid; 4-Isoxazolecarboxylic acid, 5-ethyl-3-methyl-; 69083-54-1; 5-Ethyl-3-methyl-4-isoxazolecarboxylic acid; 3-Methyl-5-ethylisoxazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 4-Isoxazolecarboxylicacid,5-Ethyl-3-Methyl-(9Ci) is subjected to rigorous analytical testing to ensure identity, purity, and consistency. We adhere to stringent internal quality standards, and our quality management system supports traceability for all materials. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. 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 structure
Assay (HPLC)	≥ 97.0%
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.