Description

Methyl 5-[4-(Ethoxycarbonyl)Phenyl]Isoxazole-3-Carboxylate is a high-purity, multifunctional heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate new therapeutic and crop protection solutions.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting inflammation, oncology, and central nervous system disorders.
• Agrochemical Research: Serves as a core scaffold for developing new generation herbicides, fungicides, and insecticides with improved efficacy.
• Material Science: Used in the research and development of advanced organic electronic materials and functional polymers.
• Academic & Institutional R&D: Employed in universities and research institutes for methodological studies and the discovery of new chemical entities.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis organizations (CSOs) and CDMOs producing bespoke compounds for client projects.

Basic Information

Item	Details
Product Name	Methyl 5-[4-(Ethoxycarbonyl)Phenyl]Isoxazole-3-Carboxylate
CAS No.	2006277-68-3
Molecular Formula	C15H13NO5
Molecular Weight	287.27 g/mol
Synonyms	5-(4-(Ethoxycarbonyl)phenyl)isoxazole-3-carboxylic acid methyl ester; Methyl 5-(4-(ethoxycarbonyl)phenyl)-1,2-oxazole-3-carboxylate; 3-Carbomethoxy-5-(4-carbethoxyphenyl)isoxazole; Ethyl 4-(3-(methoxycarbonyl)isoxazol-5-yl)benzoate; Isoxazole-3-carboxylic acid, 5-[4-(ethoxycarbonyl)phenyl]-, methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 5-[4-(Ethoxycarbonyl)Phenyl]Isoxazole-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for your most demanding R&D and scale-up projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong alkalis and incompatible organic solvents. For long-term storage, consider inert gas purging to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5% w/w

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