Description

Ethyl 5-(But-3-Enyl)Thiophene-2-Carboxylate is a high-purity, functionalized thiophene derivative serving as a critical building block in advanced organic synthesis. Its molecular structure, featuring both a thiophene core and a terminal alkene, makes it a versatile intermediate for constructing complex heterocyclic systems. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and insecticides that require specific heterocyclic scaffolds for enhanced efficacy.
• Material Science Research: Serves as a monomer or building block for creating conjugated polymers and organic electronic materials, such as organic semiconductors and OLED components.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal-catalyzed cross-coupling reactions, crucial for fine chemical manufacturing.
• Chemical Biology Probes: Utilized to synthesize molecular probes for studying biological processes and enzyme functions.
• Custom Synthesis and Scale-Up: Provides a reliable starting point for contract research organizations (CROs) and custom synthesis partners for client-specific molecule development.

Basic Information

Product Name	Ethyl 5-(But-3-Enyl)Thiophene-2-Carboxylate
CAS No.	208337-82-0
Molecular Formula	C11H14O2S
Molecular Weight	210.29 g/mol
Synonyms	Ethyl 5-(3-Butenyl)-2-thiophenecarboxylate; 2-Thiophenecarboxylic acid, 5-(3-buten-1-yl)-, ethyl ester; 5-(But-3-en-1-yl)thiophene-2-carboxylic acid ethyl ester; Ethyl 5-(but-3-en-1-yl)thiophene-2-carboxylate; 208337-82-0; Ethyl 5-(3-butenyl)thiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Every batch of Ethyl 5-(But-3-Enyl)Thiophene-2-Carboxylate is manufactured under strict quality management systems. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and development. A detailed Certificate of Analysis (COA) is supplied with each shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

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.