Description

Benzeneacetic Acid, 4-(Methylsulfonyl)-, Ethyl Ester is a high-purity synthetic intermediate characterized by its sulfonyl and ester functional groups. This compound is valued for its role as a versatile building block in advanced organic synthesis, enabling the creation of complex molecules with specific functionalities. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a sulfonylphenylacetic acid ester moiety.
• Agrochemical Research: Used in the development and production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis: Serves as a versatile precursor for creating complex molecules in medicinal chemistry and material science research.
• Chemical Reference Standard: Employed as a high-purity analytical standard for quality control and method development in analytical laboratories.
• Fine Chemical Production: Intermediate in the manufacture of specialty chemicals, dyes, and functional materials.

Basic Information

Product Name	Benzeneacetic Acid, 4-(Methylsulfonyl)-, Ethyl Ester
CAS No.	58058-86-9
Molecular Formula	C11H14O4S
Molecular Weight	242.29 g/mol
Synonyms	Ethyl 4-(Methylsulfonyl)phenylacetate; 4-(Methylsulfonyl)benzeneacetic Acid Ethyl Ester; Ethyl (4-Methanesulfonylphenyl)acetate; Ethyl 2-[4-(Methylsulfonyl)phenyl]acetate; p-(Methylsulfonyl)phenylacetic Acid Ethyl Ester; NSC 339586; Ethyl (4-Methylsulfonyl)phenylacetate
EINECS	Contact for details

Quality Control

Our Benzeneacetic Acid, 4-(Methylsulfonyl)-, Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical properties is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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