Description

Methyl Isoxazole-5-Carboxylate is a versatile heterocyclic building block and key organic intermediate. Its value lies in its reactive ester functionality, which enables efficient synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active ingredients, fine chemicals, and novel compounds requiring the isoxazole scaffold.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), including potential candidates for anti-inflammatory, antiviral, and central nervous system (CNS) drugs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole ring.
• Fine Chemical Production: Serves as a building block for creating complex molecules used in dyes, pigments, and specialty polymers.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways in medicinal and synthetic chemistry.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands and organocatalysts for asymmetric synthesis and other advanced catalytic processes.

Basic Information

Product Name	Methyl Isoxazole-5-Carboxylate
CAS No.	15055-81-9
Molecular Formula	C6H5NO3
Molecular Weight	139.11 g/mol
Synonyms	5-Methoxycarbonylisoxazole; Methyl 5-isoxazolecarboxylate; Isoxazole-5-carboxylic acid methyl ester; 5-Carbomethoxyisoxazole; 5-Methoxycarbonyl-1,2-oxazole; 1,2-Oxazole-5-carboxylic acid, methyl ester; Methyl 1,2-oxazole-5-carboxylate
EINECS	239-123-1

Quality Control

Our Methyl Isoxazole-5-Carboxylate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame.

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%

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