Description

Ethyl 4-(3-Methoxyphenylthio)-3-Oxobutanoate is a high-purity organic synthetic intermediate characterized by its β-keto ester and aryl thioether functional groups. This compound is valued for its versatility as a key building block in the synthesis of complex molecules, particularly in pharmaceutical research and development. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing novel heterocyclic compounds and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of potential drug candidates, especially those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its sulfur-containing moiety.
• Fine Chemical Production: Serves as a specialized building block for synthesizing complex flavors, fragrances, and advanced material precursors.
• Academic & Industrial R&D: Employed in method development and exploratory chemistry for creating new chemical libraries and studying reaction mechanisms involving β-keto esters and thioethers.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions in pharmaceutical manufacturing.

Basic Information

Item	Details
Product Name	Ethyl 4-(3-Methoxyphenylthio)-3-Oxobutanoate
CAS No.	16768-98-2
Molecular Formula	C13H16O4S
Molecular Weight	268.33 g/mol
Synonyms	Ethyl 3-oxo-4-[(3-methoxyphenyl)thio]butanoate; 4-(3-Methoxyphenylthio)-3-oxobutanoic Acid Ethyl Ester; Ethyl (3-Methoxyphenylthio)acetoacetate; 3-Oxo-4-(3-methoxyphenylthio)butyric Acid Ethyl Ester; Ethyl 4-(3-Methoxyphenylmercapto)-3-oxobutanoate; Acetoacetic acid, 4-[(3-methoxyphenyl)thio]-, ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 4-(3-Methoxyphenylthio)-3-Oxobutanoate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for research and scale-up 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 (typically 15-25°C). This material is light-sensitive (store away from light) and should be handled under an inert atmosphere for long-term storage to prevent degradation. Keep away from strong oxidizing agents.

Specification

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