Description

Ethyl 4,5-Dimethylthiophene-3-Carboxylate is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its role in constructing complex heterocyclic systems, particularly in the development of novel materials and active pharmaceutical ingredients. It is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to innovate with sulfur-containing heterocycles.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging the thiophene moiety for biological activity.
• Material Science: Serves as a precursor for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials.
• Ligand Synthesis: Useful for constructing complex ligands in coordination chemistry and catalysis.
• Flavor & Fragrance Industry: Potential intermediate for creating sulfur-containing aroma compounds.
• Academic & Industrial R&D: A versatile reagent for methodological studies and exploring new chemical spaces in heterocyclic chemistry.

Basic Information

Product Name	Ethyl 4,5-Dimethylthiophene-3-Carboxylate
CAS No.	19156-44-6
Molecular Formula	C9H12O2S
Molecular Weight	184.26 g/mol
Synonyms	3-Thiophenecarboxylic acid, 4,5-dimethyl-, ethyl ester; Ethyl 4,5-dimethyl-3-thiophenecarboxylate; 4,5-Dimethylthiophene-3-carboxylic acid ethyl ester; 19156-44-6; Ethyl 4,5-dimethylthiophene-3-carboxylate; 3-Carbethoxy-4,5-dimethylthiophene
EINECS	Contact for details

Quality Control

Our Ethyl 4,5-Dimethylthiophene-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided to guarantee batch-to-batch consistency and support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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