Description

4-(4-Ethylthiophenyl)-4-Oxobutyric Acid is a high-purity organic intermediate featuring a thiophene ring and a carboxylic acid functional group. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly those targeting central nervous system and metabolic disorders.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the thiophene moiety imparts specific biological activity.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing organic semiconductors and charge-transport materials used in display and lighting technologies.
• Polymer Modification: Employed to introduce functional groups into polymer chains, enhancing properties like adhesion, solubility, or biocompatibility for specialty coatings and resins.
• Organic Synthesis & Chemical Research: A versatile reagent for constructing complex molecular architectures in academic and industrial research laboratories.

Basic Information

Product Name	4-(4-Ethylthiophenyl)-4-Oxobutyric Acid
CAS No.	7028-68-4
Molecular Formula	C12H14O3S
Molecular Weight	238.30 g/mol
Synonyms	4-(4-Ethylphenylthio)-4-oxobutanoic acid; 4-Oxo-4-(4-ethylthiophenyl)butyric acid; 4-(4-Ethylsulfanylphenyl)-4-oxobutanoic acid; 4-(p-Ethylthiophenyl)-4-oxobutyric acid; γ-Oxo-4-(4-ethylthiophenyl)butyric acid; 4-(4-Ethylmercaptophenyl)-4-oxobutyric acid; Butyric acid, 4-(4-ethylthiophenyl)-4-oxo-; 7028-68-4
EINECS	Contact for details

Quality Control

Our 4-(4-Ethylthiophenyl)-4-Oxobutyric Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and production. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

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

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.