Description

4,4(5H)-Oxazoledicarboxylicacid,5-Ethyl-2-Methyl-,Dimethylester(9Ci) is a specialized heterocyclic building block with a unique oxazole-dicarboxylate structure. This compound matters as a versatile intermediate for synthesizing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is needed by research chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce functionalized oxazole motifs into their target compounds.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of novel drug candidates, particularly those targeting neurological or anti-infective pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, or insecticides where the oxazole core contributes to biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the synthesis of organic electronic materials or novel polymers due to its functionalized, electron-rich heterocyclic structure.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for use in client-specific custom synthesis projects.
• Academic and R&D Laboratories: Used in fundamental chemical research to explore new organic reactions and build complex molecular libraries.

Basic Information

Product Name	4,4(5H)-Oxazoledicarboxylicacid,5-Ethyl-2-Methyl-,Dimethylester(9Ci)
CAS No.	815575-41-8
Molecular Formula	C10H14N2O5
Molecular Weight	242.23 g/mol
Synonyms	5-Ethyl-2-methyl-4,5-dihydrooxazole-4,4-dicarboxylic acid dimethyl ester; Dimethyl 5-ethyl-2-methyl-4,5-dihydrooxazole-4,4-dicarboxylate; 4,5-Dihydro-5-ethyl-2-methyl-4-oxazolecarboxylic acid, 4,4-dimethyl ester; 5-Ethyl-2-methyl-4,5-dihydrooxazol-4,4-dicarboxylic acid dimethyl ester; Dimethyl 5-ethyl-2-methyl-2-oxazoline-4,4-dicarboxylate; 4,4(5H)-Oxazoledicarboxylic acid, 5-ethyl-2-methyl-, dimethyl ester; CAS 815575-41-8
EINECS	Contact for details

Quality Control

Our 4,4(5H)-Oxazoledicarboxylicacid,5-Ethyl-2-Methyl-,Dimethylester(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and process chemistry. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.