Description

Ethyl-5-Phenyl-Isoxazole-4-Carboxylate is a high-purity organic compound belonging to the isoxazole class of heterocycles, which are critical building blocks in advanced chemical synthesis. This compound matters as a versatile and valuable intermediate for constructing complex molecular architectures in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and other therapeutic areas.
• Agrochemical Synthesis: Serves as a crucial precursor in the manufacture of advanced herbicides, fungicides, and insecticides, contributing to novel modes of action.
• Organic Synthesis Building Block: Used in academic and industrial laboratories for constructing complex heterocyclic compounds, leveraging its reactive ester and isoxazole functionalities.
• Material Science Research: Investigated as a monomer or additive for developing specialty polymers and advanced organic materials with specific electronic or photophysical properties.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions in API manufacturing.

Basic Information

Product Name	Ethyl-5-Phenyl-Isoxazole-4-Carboxylate
CAS No.	50784-69-5
Molecular Formula	C12H11NO3
Molecular Weight	217.22 g/mol
Synonyms	Ethyl 5-phenyl-1,2-oxazole-4-carboxylate; 5-Phenylisoxazole-4-carboxylic Acid Ethyl Ester; 4-Carbethoxy-5-phenylisoxazole; Ethyl 5-phenylisoxazole-4-carboxylate; NSC 163044; AI3-28445; 5-Phenyl-4-isoxazolecarboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl-5-Phenyl-Isoxazole-4-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and production. Certificates of Analysis (COA) with detailed batch-specific data are available upon request.

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 strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from moisture.

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%
Heavy Metals	≤ 20 ppm

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