Description

5-(Methylsulfonyl)Thiophene-2-Carboxylic Acid is a high-value, multi-functional heterocyclic building block characterized by its carboxylic acid and methylsulfonyl substituents. This compound is essential for advanced organic synthesis, serving as a critical precursor in the development of novel active pharmaceutical ingredients (APIs) and specialty agrochemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in areas targeting inflammation, oncology, and central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiophene core.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands in coordination chemistry and catalysis.
• Material Science Research: Employed in the development of organic semiconductors, conductive polymers, and other functional materials.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	5-(Methylsulfonyl)Thiophene-2-Carboxylic Acid
CAS No.	60166-86-1
Molecular Formula	C7H6O4S2
Molecular Weight	218.25 g/mol
Synonyms	2-Thiophenecarboxylic acid, 5-(methylsulfonyl)-; 5-Methanesulfonylthiophene-2-carboxylic acid; 5-Methylsulfonyl-2-thiophenecarboxylic acid; 5-(Methylsulfonyl)-2-thiophenecarboxylic acid; 5-Mesylthiophene-2-carboxylic acid; 60166-86-1; Thiophene-2-carboxylic acid, 5-(methylsulfonyl)-
EINECS	Contact for details

Quality Control

Our 5-(Methylsulfonyl)Thiophene-2-Carboxylic Acid is manufactured under strict quality management systems. 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 commitment supports applications requiring high-purity intermediates for GMP or research-grade synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.