Description

4-(2-Thienyl)But-3-En-2-One is a valuable organic intermediate featuring a thiophene ring conjugated to an enone system. This unique structure makes it a versatile building block for synthesizing complex molecules in advanced research and development. It is particularly sought after by pharmaceutical and agrochemical manufacturers for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, especially those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiophene moiety.
• Material Science Research: Serves as a monomer or building block for developing novel polymers, organic semiconductors, and conductive materials.
• Organic Synthesis & Catalysis: A crucial substrate in cross-coupling reactions (e.g., Suzuki, Heck) and other catalytic processes for constructing complex heterocyclic compounds.
• Flavor & Fragrance Chemistry: Potential intermediate for synthesizing specialty aroma chemicals with unique sulfur-containing notes.
• Academic & R&D Laboratories: Used in fundamental chemical research to explore new synthetic methodologies and reaction mechanisms.

Basic Information

Product Name	4-(2-Thienyl)But-3-En-2-One
CAS No.	33603-63-3
Molecular Formula	C8H8OS
Molecular Weight	152.21 g/mol
Synonyms	4-(2-Thienyl)-3-buten-2-one; 3-Buten-2-one, 4-(2-thienyl)-; 2-Thienylbutenone; 4-(Thiophen-2-yl)but-3-en-2-one; (E)-4-(Thiophen-2-yl)but-3-en-2-one; 1-(2-Thienyl)-1-buten-3-one; 4-(2-Thienyl)-3-buten-2-one (predominantly trans)
EINECS	Contact for details

Quality Control

Our 4-(2-Thienyl)But-3-En-2-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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