Description

4-Cyano-3-Tetrahydrothiophenone is a versatile sulfur-containing heterocyclic building block with significant synthetic utility. Its core value lies in its bifunctional structure, featuring both a reactive cyano group and a ketone within a tetrahydrothiophene ring, enabling its use in complex organic synthesis. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing modified thiophene or thiophane scaffolds.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Functional Material Research: Employed in the synthesis of organic semiconductors, conductive polymers, and other advanced materials where the thiophene unit is integral.
• Custom Chemical Synthesis: Utilized by fine chemical manufacturers for contract research and production of specialty compounds for diverse industrial applications.

Basic Information

Product Name	4-Cyano-3-Tetrahydrothiophenone
CAS No.	16563-14-7
Molecular Formula	C6H7NOS
Molecular Weight	141.19 g/mol
Synonyms	3-Oxo-2,3-dihydrothiophene-4-carbonitrile; 4-Cyano-3-oxotetrahydrothiophene; 3-Oxo-2,5-dihydrothiophene-4-carbonitrile; Tetrahydro-3-oxothiophene-4-carbonitrile; 4-Cyano-3-tetrahydrothiophenone; 3-Oxotetrahydrothiophene-4-carbonitrile; 4-Cyanotetrahydrothiophen-3-one
EINECS	Contact for details

Quality Control

Our 4-Cyano-3-Tetrahydrothiophenone is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment 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 strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.