Description

5-Allylthiophen-2(5H)-One is a versatile sulfur-containing heterocyclic building block with a reactive allyl group. This compound is valued for its dual functionality, enabling it to participate in a variety of organic synthesis reactions, including cycloadditions and polymerizations. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the research and production of new generation herbicides and fungicides, leveraging its heterocyclic core.
• Polymer & Material Science: Serves as a monomer or cross-linking agent in the synthesis of specialty polymers, coatings, and conductive materials.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cyclization processes to create complex, sulfur-functionalized organic molecules.
• Ligand & Catalyst Development: Utilized in the design of novel ligands for metal catalysis and organocatalysts.
• Flavor & Fragrance Research: Investigated as a potential precursor for sulfur-containing aroma compounds.

Basic Information

Product Name	5-Allylthiophen-2(5H)-One
CAS No.	7238-59-7
Molecular Formula	C7H8OS
Molecular Weight	140.20 g/mol
Synonyms	2(5H)-Thiophenone, 5-allyl-; 5-Allyl-2(5H)-thiophenone; 5-Allyl-2,5-dihydrothiophen-2-one; 5-Allyldihydro-2(3H)-thiophenone; Allylthiophenone; 3-Allyl-4,5-dihydrothiophen-2(3H)-one
EINECS	Contact for details

Quality Control

Our 5-Allylthiophen-2(5H)-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 to maintain optimal stability.

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.