Description

4-Methylsulphonylphenylacetic Acid is a high-purity organic acid derivative featuring a phenylacetic acid core substituted with a methylsulfonyl group. This compound is valued as a versatile and critical synthetic intermediate in advanced organic synthesis, particularly for constructing complex molecules with specific pharmacological or material properties. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially non-steroidal anti-inflammatory drugs (NSAIDs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Chemical Research: Serves as a crucial reagent in organic chemistry R&D for studying reaction mechanisms and developing new synthetic methodologies.
• Material Science Precursor: Potential intermediate for creating specialized polymers, liquid crystals, or organic electronic materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Product Name	4-Methylsulphonylphenylacetic Acid
CAS No.	90536-66-6
Molecular Formula	C9H10O4S
Molecular Weight	214.24 g/mol
Synonyms	4-(Methylsulfonyl)phenylacetic Acid; (4-Methylsulfonylphenyl)acetic Acid; p-(Methylsulfonyl)phenylacetic Acid; 4-Methanesulfonylphenylacetic Acid; 4-Methylsulfonylbenzeneacetic Acid; [4-(Methylsulfonyl)phenyl]acetic Acid; 90536-66-6; p-Tolylsulfonylacetic Acid derivative
EINECS	Contact for details

Quality Control

Our 4-Methylsulphonylphenylacetic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality parameters. Our quality commitment aligns with cGMP principles where applicable, supporting our clients' regulatory and research needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

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.