Description

5-Phenyl-Oxazole-4-Carboxylic Acid Ethyl Ester is a versatile heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its role as a key intermediate in the development of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), fine chemicals, and novel material science applications.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those with oxazole or related heterocyclic cores.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and fungicides.
• Material Science Research: Acts as a building block for organic electronic materials, ligands, and specialty polymers.
• Academic & Industrial R&D: Employed in methodological studies and as a standard in heterocyclic chemistry research.
• Fine Chemical Production: Integral to the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	5-Phenyl-Oxazole-4-Carboxylic Acid Ethyl Ester
CAS No.	32998-97-3
Molecular Formula	C₁₂H₁₁NO₃
Molecular Weight	217.22 g/mol
Synonyms	Ethyl 5-phenyl-1,3-oxazole-4-carboxylate; Ethyl 5-phenyloxazole-4-carboxylate; 4-Carbethoxy-5-phenyloxazole; 5-Phenyl-4-oxazolecarboxylic acid ethyl ester; 5-Phenyloxazole-4-carboxylic acid ethyl ester; NSC 163044; Oxazole-4-carboxylic acid, 5-phenyl-, ethyl ester
EINECS	Contact for details

Quality Control

Our 5-Phenyl-Oxazole-4-Carboxylic Acid Ethyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality attributes to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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
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.