Description

3,5-Dimethyl-Thiophene-2-Carboxylic Acid is a high-purity, functionalized thiophene derivative that serves as a critical building block in advanced organic synthesis. Its value lies in providing a versatile carboxylic acid handle on a substituted thiophene core, enabling the construction of complex molecules for research and industrial applications. This compound is essential for pharmaceutical chemists, agrochemical researchers, and material scientists developing novel active ingredients, ligands, and functional polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the thiophene moiety for bioactivity.
• Material Science: Building block for conductive polymers, organic semiconductors, and non-linear optical (NLO) materials due to the electron-rich thiophene structure.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Chemical Research: A versatile reagent for academic and industrial R&D in heterocyclic and medicinal chemistry for constructing complex molecular architectures.
• Fine Chemical Production: Intermediate in the multi-step synthesis of dyes, pigments, and other performance chemicals.

Basic Information

Item	Detail
Product Name	3,5-Dimethyl-Thiophene-2-Carboxylic Acid
CAS No.	65613-27-6
Molecular Formula	C7H8O2S
Molecular Weight	156.20 g/mol
Synonyms	2-Thiophenecarboxylic acid, 3,5-dimethyl-; 3,5-Dimethyl-2-thiophenecarboxylic acid; 3,5-Dimethylthiophene-2-carboxylic acid; 2-Carboxy-3,5-dimethylthiophene; 65613-27-6; 3,5-Dimethyl-thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 3,5-Dimethyl-Thiophene-2-Carboxylic Acid is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy to ensure identity, purity, and consistency meet the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and heat sources. Due to its nature as a strong acid/organic solvent, appropriate chemical storage cabinets are recommended.

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	≤ 20 ppm

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