Description

Ethyl 2-(2,5-Dioxo-2,5-Dihydro-1H-Pyrrol-1-Yl)-4,5-Dimethylthiophene-3-Carboxylate is a high-purity specialty chemical building block featuring a maleimide-functionalized thiophene core. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in the development of functional materials and active pharmaceutical ingredients (APIs). It is essential for research and production in the pharmaceutical, agrochemical, and material science industries where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those targeting specific biological pathways.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides and herbicides with enhanced efficacy.
• Polymer & Material Science: Serves as a functional monomer or cross-linking agent in the production of specialty polymers, coatings, and advanced materials.
• Bioconjugation & Probe Development: The maleimide group is reactive towards thiols, making it useful for labeling proteins, peptides, and other biomolecules in diagnostic and research applications.
• Organic Electronic Materials: Potential precursor in the synthesis of conjugated molecules for organic semiconductors and electronic devices.
• Chemical Research (R&D): A valuable reagent for academic and industrial research in heterocyclic and medicinal chemistry.

Basic Information

Product Name	Ethyl 2-(2,5-Dioxo-2,5-Dihydro-1H-Pyrrol-1-Yl)-4,5-Dimethylthiophene-3-Carboxylate
CAS No.	295347-54-5
Molecular Formula	C13H13NO4S
Molecular Weight	279.31 g/mol
Synonyms	Ethyl 1-(3,4-dimethyl-5-(ethoxycarbonyl)thiophen-2-yl)-1H-pyrrole-2,5-dione; 1-(4,5-Dimethyl-3-(ethoxycarbonyl)thiophen-2-yl)-1H-pyrrole-2,5-dione; 3-Thiophenecarboxylic acid, 2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)-4,5-dimethyl-, ethyl ester; Maleimide-functionalized thiophene derivative; Thiophene maleimide ester
EINECS	Contact for details

Quality Control

Our Ethyl 2-(2,5-Dioxo-2,5-Dihydro-1H-Pyrrol-1-Yl)-4,5-Dimethylthiophene-3-Carboxylate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are available upon request to 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 oxidizing agents and bases. 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
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 10 ppm

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