Description

Cyclopentane, 1,1-Thiobis- (9Ci) is a specialized organosulfur compound with the CAS registry number 1126-65-4, serving as a valuable chemical intermediate in advanced synthesis. This compound matters for its unique thiobis-bridged cyclopentane structure, which provides a rigid, lipophilic core for constructing complex molecules in pharmaceutical and material science research. Industrial and R&D chemists need it for applications ranging from the development of novel ligands and catalysts to the synthesis of high-performance polymers and liquid crystals.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a rigid, sulfur-containing scaffold.
• Ligand & Catalyst Precursor: Serves as a key building block for creating specialized ligands in asymmetric catalysis and transition metal complexes.
• Polymer & Resin Modification: Acts as a cross-linking agent or monomer for enhancing the thermal and chemical resistance of specialty polymers and epoxy resins.
• Material Science Research: Employed in the development of advanced materials, such as liquid crystals and organic semiconductors, due to its specific geometry and electronic properties.
• Fine Chemical Synthesis: Utilized as a versatile intermediate in multi-step organic synthesis for agrochemicals, dyes, and other high-value chemicals.

Basic Information

Product Name	Cyclopentane, 1,1-Thiobis- (9Ci)
CAS No.	1126-65-4
Molecular Formula	C10H18S
Molecular Weight	170.31 g/mol
Synonyms	1,1'-Thiobis(cyclopentane); Bis(cyclopentyl) Sulfide; Dicyclopentyl Sulfide; Cyclopentyl Sulfide; Thiobiscyclopentane; NSC 66435; 1,1'-Thiodicyclopentane
EINECS	214-414-7

Quality Control

Our Cyclopentane, 1,1-Thiobis- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure high purity and consistent identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.