Description

3-Mercaptophenylacetic Acid, 90% is a versatile organosulfur compound featuring both a thiol and a carboxylic acid functional group, making it a valuable bifunctional building block. This compound is essential for applications requiring precise molecular modification, offering reactivity for conjugation and synthesis. It is particularly relevant for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing active ingredients, ligands, or advanced intermediates.

Application

• As a key pharmaceutical intermediate in the synthesis of drug candidates, particularly those targeting enzyme inhibition or requiring specific thiol-based bio-conjugation.
• In agrochemical research for the development of novel herbicides, fungicides, or plant growth regulators utilizing its reactive sites.
• As a precursor or ligand in coordination chemistry and catalysis, where the thiol and carboxylate groups can bind to metal centers.
• For the synthesis of specialty polymers and functional materials, where it can act as a chain transfer agent or a monomer introducing specific properties.
• In bioconjugation chemistry for modifying proteins, peptides, or other biomolecules via thiol-maleimide or disulfide bond formation.
• As a building block for fine chemicals and complex organic molecules in research and development laboratories.

Basic Information

Product Name	3-Mercaptophenylacetic Acid, 90%
CAS No.	63271-86-3
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	(3-Mercaptophenyl)acetic Acid; 2-(3-Mercaptophenyl)acetic Acid; 3-Thiophenylacetic Acid; m-Mercaptophenylacetic Acid; 3-Sulfanylphenylacetic Acid; 2-(3-Sulfanylphenyl)acetic Acid; Benzenepropanoic acid, 3-mercapto-; 3-Mercaptobenzeneacetic Acid
EINECS	Contact for details

Quality Control

Our 3-Mercaptophenylacetic Acid, 90% is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle under an inert atmosphere for long-term storage or after opening. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 90.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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