Description

3-Oxo-2-(Thiophene-2-Carbonyl)-Butyric Acid Ethyl Ester is a high-purity organic building block and synthetic intermediate of significant commercial importance. This compound is valued for its unique molecular structure, which incorporates both a β-ketoester and a thiophene moiety, making it a versatile precursor in advanced chemical synthesis. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides that leverage the thiophene ring for bioactivity.
• Organic Synthesis Reagent: Serves as a versatile precursor for Claisen condensation and other C-C bond-forming reactions in fine chemical manufacturing.
• Material Science Research: Investigated as a monomer or precursor for the development of novel polymers and organic electronic materials.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development and the creation of new chemical entities.

Basic Information

Product Name	3-Oxo-2-(Thiophene-2-Carbonyl)-Butyric Acid Ethyl Ester
CAS No.	13892-51-8
Molecular Formula	C11H10O4S
Molecular Weight	238.26 g/mol
Synonyms	Ethyl 3-oxo-2-(thiophene-2-carbonyl)butanoate; Ethyl 2-(2-thienylcarbonyl)-3-oxobutanoate; 2-(2-Thienylcarbonyl)-3-oxobutanoic Acid Ethyl Ester; 3-Oxo-2-(2-thienylcarbonyl)butyric Acid Ethyl Ester; Ethyl 3-oxo-2-(2-thiophenecarbonyl)butyrate; Butyric acid, 3-oxo-2-(2-thienylcarbonyl)-, ethyl ester
EINECS	Contact for details

Quality Control

Our 3-Oxo-2-(Thiophene-2-Carbonyl)-Butyric Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance for your critical synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 room temperature (15-25°C). Keep away from heat sources and incompatible materials. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder or solid
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.