Description

4-Oxazolecarboxylic Acid, 4,5-Dihydro-4-(4-Methoxyphenyl)-2-Methyl-5-Oxo-, Ethyl Ester is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals, offering a versatile scaffold for further functionalization. It is primarily needed by research and development teams, process chemists, and manufacturers within the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate and scale complex molecular structures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Research: Used as a building block for developing advanced active ingredients for crop protection products, such as herbicides and fungicides.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex, high-value specialty chemicals and functional materials.
• Academic & Contract Research: A valuable reagent for universities and CROs (Contract Research Organizations) conducting exploratory research in heterocyclic and synthetic organic chemistry.
• Process Development & Scale-Up: Utilized by process chemists to optimize synthetic routes and develop scalable manufacturing processes for target molecules.

Basic Information

Product Name	4-Oxazolecarboxylic Acid, 4,5-Dihydro-4-(4-Methoxyphenyl)-2-Methyl-5-Oxo-, Ethyl Ester
CAS No.	162247-68-9
Molecular Formula	C14H15NO5
Molecular Weight	277.27 g/mol
Synonyms	Ethyl 4-(4-methoxyphenyl)-2-methyl-5-oxo-4,5-dihydrooxazole-4-carboxylate; 4,5-Dihydro-4-(4-methoxyphenyl)-2-methyl-5-oxo-4-oxazolecarboxylic acid ethyl ester; 4-Oxazolecarboxylic acid, 4,5-dihydro-4-(4-methoxyphenyl)-2-methyl-5-oxo-, ethyl ester; 4-Carbethoxy-4-(4-methoxyphenyl)-2-methyl-4,5-dihydrooxazol-5-one; 162247-68-9; 4-(4-Methoxyphenyl)-2-methyl-5-oxo-4,5-dihydrooxazole-4-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 4-Oxazolecarboxylic Acid, 4,5-Dihydro-4-(4-Methoxyphenyl)-2-Methyl-5-Oxo-, Ethyl Ester 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. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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 organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.