Description

5-Isoxazolecarboxylicacid,3-Cyano-,Methylester(9Ci) is a versatile heterocyclic building block and key synthetic intermediate. This compound is valued for its reactive cyano and ester functional groups, which enable its use in constructing complex molecular architectures. It is primarily sought by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging the isoxazole ring's bioactivity.
• Material Science Research: Serves as a monomer or functionalizing agent in the creation of specialty polymers and advanced organic materials.
• Chemical Biology & Proteomics: Employed as a scaffold or linker in the design of molecular probes and activity-based protein profiling (ABPP) reagents.
• Academic & Contract Research: A valuable reagent for methodological development in organic synthesis and heterocyclic chemistry research.

Basic Information

Product Name	5-Isoxazolecarboxylicacid,3-Cyano-,Methylester(9Ci)
CAS No.	70869-89-5
Molecular Formula	C6H4N2O3
Molecular Weight	152.11 g/mol
Synonyms	Methyl 3-cyano-5-isoxazolecarboxylate; 3-Cyano-5-isoxazolecarboxylic acid methyl ester; Methyl 3-cyano-1,2-oxazole-5-carboxylate; 5-Carbonmethoxy-3-cyanoisoxazole; 5-Methoxycarbonyl-3-cyanoisoxazole; 3-Cyano-5-methoxycarbonylisoxazole; 1,2-Oxazole-5-carboxylic acid, 3-cyano-, methyl ester; Methyl 3-cyanoisoxazole-5-carboxylate
EINECS	Contact for details

Quality Control

Our 5-Isoxazolecarboxylicacid,3-Cyano-,Methylester(9Ci) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.