Description

1,3,3A,4,6,6A-Hexahydrocyclopenta[C]Thiophen-5-One is a high-value, complex heterocyclic building block featuring a fused cyclopentane-thiophene-one structure. This compound is critical for advanced organic synthesis, particularly in the development of novel pharmacologically active molecules and specialty materials. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and advanced material science industries for constructing sophisticated molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug candidates, especially those targeting central nervous system (CNS) disorders.
• Agrochemical Research: Used in the development of new-generation herbicides and fungicides with novel modes of action.
• Material Science: Acts as a monomer or building block for creating specialized polymers and organic electronic materials.
• Chemical Synthesis: A versatile scaffold for medicinal chemistry, enabling the exploration of new chemical space in lead optimization.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and the discovery of new synthetic pathways.

Basic Information

Product Name	1,3,3A,4,6,6A-Hexahydrocyclopenta[C]Thiophen-5-One
CAS No.	1508068-71-0
Molecular Formula	C7H8OS
Molecular Weight	140.20 g/mol
Synonyms	Cyclopenta[c]thiophen-5(4H)-one, hexahydro-; 4,5,6,7-Tetrahydro-3aH-cyclopenta[c]thiophen-5-one; 5-Oxo-4,5,6,7-tetrahydro-3aH-cyclopenta[c]thiophene; Hexahydrocyclopenta[c]thiophen-5-one; Fused thiophene ketone intermediate; CPTO
EINECS	Contact for details

Quality Control

Every batch of 1,3,3A,4,6,6A-Hexahydrocyclopenta[C]Thiophen-5-One is produced and tested under strict quality management systems. We ensure compliance with relevant industry standards for research-grade and advanced intermediate chemicals. Comprehensive analytical testing, including HPLC, GC, and NMR, is performed to guarantee identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 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)	≥ 97.0%
Water Content (KF)	≤ 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.