Description

3-Methoxy-Phenylthioaceticacid is a versatile sulfur-containing aromatic building block with a CAS number of 3996-32-5. This compound is valued for its unique chemical structure, which combines a methoxy-substituted phenyl ring with a thioacetic acid moiety, making it a key intermediate in advanced organic synthesis. It is primarily sought after by research and development chemists and process engineers in the pharmaceutical and agrochemical industries for constructing complex molecules.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands in transition metal catalysis and asymmetric synthesis.
• Material Science Research: Investigated as a monomer or additive in the development of specialty polymers and advanced organic materials.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development and exploring new reaction pathways in organic chemistry.

Basic Information

Product Name	3-Methoxy-Phenylthioaceticacid
CAS No.	3996-32-5
Molecular Formula	C9H10O3S
Molecular Weight	198.24 g/mol
Synonyms	(3-Methoxyphenylthio)acetic Acid; 2-[(3-Methoxyphenyl)thio]acetic Acid; 3-Methoxythiophenolacetic Acid; m-Methoxyphenylthioacetic Acid; 3-Methoxybenzenethiolacetic Acid; 3996-32-5; 3-MPAA; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of 3-Methoxy-Phenylthioaceticacid adheres to stringent quality management protocols. 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, confirming compliance with agreed specifications. Our quality system is designed to support applications requiring high-purity intermediates.

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 heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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