Description

4-Keto-4,5,6,7-Tetrahydrothianaphthene is a high-purity, specialized heterocyclic organic compound featuring a tetrahydrothianaphthene core with a ketone functional group. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block for synthesizing complex molecules in medicinal chemistry. It is primarily utilized by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Agrochemical Synthesis: Serves as a precursor in the creation of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Used in the development of organic semiconductors, ligands for catalysis, and specialty polymers.
• Organic Synthesis Building Block: Employed in heterocyclic chemistry for constructing complex fused-ring systems and functionalized thiophene derivatives.
• Chemical Reference Standard: Utilized in analytical laboratories for method development, calibration, and quality control testing.

Basic Information

Product Name	4-Keto-4,5,6,7-Tetrahydrothianaphthene
CAS No.	13414-95-4
Molecular Formula	C8H8OS
Molecular Weight	152.21 g/mol
Synonyms	4-Oxo-4,5,6,7-tetrahydro-1-benzothiophene; 4,5,6,7-Tetrahydro-1-benzothiophen-4-one; 4-Ketotetrahydrothianaphthene; Tetrahydrothianaphthen-4-one; 1-Benzothiophen-4(5H)-one, 4,5,6,7-tetrahydro-; 4,5,6,7-Tetrahydrobenzo[b]thiophen-4-one
EINECS	Contact for details

Quality Control

Our 4-Keto-4,5,6,7-Tetrahydrothianaphthene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures the material is suitable for demanding applications in research and scale-up synthesis.

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 incompatible materials. 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
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.