Description

3-[(2-Methoxy-2-Oxoethyl)Sulfanyl]-2-Thiophenecarboxylic Acid is a specialized sulfur-containing heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, which combines a thiophene carboxylic acid core with a functionalized thioether side chain, enabling precise chemical modifications. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in areas requiring thiophene-based scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Material Science Research: Serves as a precursor for functional polymers or organic electronic materials due to its conjugated thiophene system.
• Ligand and Catalyst Development: The carboxylic acid and sulfur functionalities make it a useful building block for designing novel chelating ligands or organocatalysts.
• Chemical Biology Probes: Employed in the synthesis of molecular probes for studying biological processes and enzyme interactions.
• Custom Synthesis and Contract Manufacturing: Supplied to CROs and CDMOs for client-specific synthetic projects requiring high-purity, complex intermediates.

Basic Information

Product Name	3-[(2-Methoxy-2-Oxoethyl)Sulfanyl]-2-Thiophenecarboxylic Acid
CAS No.	251096-93-2
Molecular Formula	C8H8O4S2
Molecular Weight	232.28 g/mol
Synonyms	2-Thiophenecarboxylic acid, 3-[(carboxymethyl)thio]-, methyl ester; Methyl 3-[(carboxymethyl)thio]-2-thiophenecarboxylate; 3-(Carboxymethylsulfanyl)thiophene-2-carboxylic acid methyl ester; 3-[(Methoxycarbonylmethyl)thio]thiophene-2-carboxylic acid; 3-(Methoxyoxoethylsulfanyl)-2-thiophenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 3-[(2-Methoxy-2-Oxoethyl)Sulfanyl]-2-Thiophenecarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support 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 a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.