Description

Methyl 3-Oxo-4-(Phenylthio)Butanoate is a high-purity organic synthetic intermediate featuring a versatile β-keto ester moiety linked to a phenylthio group. This compound is valued for its role as a key building block in the synthesis of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought after by R&D chemists and process development scientists in the fine chemical and active pharmaceutical ingredient (API) manufacturing sectors for constructing sulfur-containing heterocycles and other advanced structures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, especially those containing thioether or sulfur-heterocycle pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the phenylthio group can contribute to biological activity.
• Organic Synthesis Building Block: Serves as a versatile reagent for Michael additions, Claisen condensations, and other carbon-carbon bond-forming reactions in complex molecule assembly.
• Material Science Research: Investigated as a monomer or modifier in the development of specialized polymers with unique electronic or structural properties.

Basic Information

Product Name	Methyl 3-Oxo-4-(Phenylthio)Butanoate
CAS No.	71483-05-1
Molecular Formula	C11H12O3S
Molecular Weight	224.27 g/mol
Synonyms	Methyl 4-(Phenylthio)-3-oxobutanoate; 3-Oxo-4-(phenylthio)butyric Acid Methyl Ester; Methyl β-Oxo-β-(phenylthio)butyrate; Butanoic acid, 3-oxo-4-(phenylthio)-, methyl ester; Methyl 3-oxo-4-(phenylsulfanyl)butanoate
EINECS	Contact for details

Quality Control

Our Methyl 3-Oxo-4-(Phenylthio)Butanoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and development applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The product should be kept under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.