Description

4-Thiazolecarboxylic acid, 5-Ethyl-, Ethyl ester (9Ci) is a specialized organic compound belonging to the thiazole class, a heterocyclic structure of significant interest in advanced chemical synthesis. This compound serves as a versatile and high-purity building block, enabling the development of novel molecules with tailored properties. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in constructing novel fungicides, herbicides, or insecticides that leverage the bioactivity of the thiazole moiety.
• 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 semiconductors, photoactive compounds, or advanced polymers.
• Chemical Biology Probes: Utilized to develop molecular probes for studying enzyme function and cellular processes.
• Custom Synthesis and Scale-up: Supplied for contract research and custom manufacturing projects requiring high-fidelity chemical building blocks.

Basic Information

Product Name	4-Thiazolecarboxylic acid, 5-Ethyl-, Ethyl ester (9Ci)
CAS No.	81569-47-3
Molecular Formula	C8H11NO2S
Molecular Weight	185.24 g/mol
Synonyms	Ethyl 5-ethyl-1,3-thiazole-4-carboxylate; 5-Ethyl-4-thiazolecarboxylic acid ethyl ester; 4-Carbethoxy-5-ethylthiazole; 5-Ethylthiazole-4-carboxylic acid ethyl ester; 1,3-Thiazole-4-carboxylic acid, 5-ethyl-, ethyl ester; Ethyl 5-ethyl-4-thiazolecarboxylate
EINECS	Contact for details

Quality Control

We supply 4-Thiazolecarboxylic acid, 5-Ethyl-, Ethyl ester (9Ci) in high-purity grades suitable for research and development. Our products undergo rigorous quality testing using advanced analytical techniques (HPLC, GC, NMR) to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.