Description

4-(Methylsulfinyl)Benzeneacetic Acid is a high-purity, versatile sulfoxide-containing aromatic acid building block. This compound is critical for advanced organic synthesis, particularly in the development of pharmaceuticals and fine chemicals where precise molecular architecture is required. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials industries for constructing complex molecules with specific electronic and steric properties.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of novel active pharmaceutical ingredients (APIs), especially those targeting neurological and inflammatory pathways.
• Agrochemical Research: Used in the development of advanced herbicides and fungicides, leveraging the sulfoxide moiety for bioactivity.
• Ligand & Catalyst Development: Serves as a precursor for creating specialized ligands used in asymmetric catalysis and transition metal complexes.
• Material Science: Incorporated into the synthesis of specialty polymers and advanced organic electronic materials.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and cellular processes.
• Custom Synthesis & Contract Manufacturing: A fundamental building block for custom synthesis houses serving the life sciences sector.

Basic Information

Product Name	4-(Methylsulfinyl)Benzeneacetic Acid
CAS No.	118362-28-0
Molecular Formula	C9H10O3S
Molecular Weight	198.24 g/mol
Synonyms	4-(Methylsulfinyl)phenylacetic Acid; (4-Methylsulfinylphenyl)acetic Acid; p-(Methylsulfinyl)phenylacetic Acid; 4-Methylsulfinylbenzeneacetic Acid; 2-[4-(Methylsulfinyl)phenyl]acetic Acid; 118362-28-0; 4-Methylsulfinylbenzeneacetic acid; 4-(Methylsulfinyl)benzeneacetic acid
EINECS	Contact for details

Quality Control

Every batch of 4-(Methylsulfinyl)Benzeneacetic Acid is manufactured under strict quality management systems. We provide material that meets high-purity standards suitable for research and development applications. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

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	< 10 ppm

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