Description

4-Methyl-(Phenylsulfonyl) Propanoic Acid Ethyl Ester is a high-value sulfone-containing ester building block, essential for advanced organic synthesis. Its unique structure, featuring both an ethyl ester and a phenylsulfonyl group, makes it a versatile intermediate for constructing complex molecules with specific functionalities. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry and crop protection agent development.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring sulfone pharmacophores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers and advanced materials.
• Organic Synthesis Reagent: Employed in Michael addition reactions, nucleophilic substitution, and other C-C bond-forming transformations in fine chemical production.
• Academic & Industrial R&D: A valuable tool for method development and exploring new synthetic pathways in chemistry laboratories.

Basic Information

Product Name	4-Methyl-(Phenylsulfonyl) Propanoic Acid Ethyl Ester
CAS No.	95314-82-2
Molecular Formula	C12H16O4S
Molecular Weight	256.32 g/mol
Synonyms	Ethyl 4-Methyl-2-(phenylsulfonyl)butanoate; Ethyl 2-(Phenylsulfonyl)-4-methylbutyrate; 2-(Benzenesulfonyl)-4-methylbutyric Acid Ethyl Ester; 4-Methyl-2-(phenylsulfonyl)butanoic Acid Ethyl Ester; Butanoic acid, 4-methyl-2-(phenylsulfonyl)-, ethyl ester; Ethyl 4-methyl-2-(phenylsulphonyl)butyrate
EINECS	Contact for details

Quality Control

Our 4-Methyl-(Phenylsulfonyl) Propanoic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development applications.

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 strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
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.