Description

Thieno[3,4:3,4]Cyclobuta[1,2-D]-1,3-Dioxole (9Ci) is a specialized heterocyclic organic compound featuring a unique fused ring system. This high-value chemical intermediate is critical for advanced research and development in materials science and pharmaceutical chemistry. It is primarily sought after by R&D chemists and process engineers in the fine chemical, agrochemical, and advanced polymer sectors for synthesizing novel compounds with tailored electronic or biological properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring complex fused heterocyclic scaffolds.
• Organic Electronic Materials: Used in the research and development of advanced organic semiconductors, conductive polymers, and components for OLEDs (Organic Light-Emitting Diodes) due to its potential electron-rich structure.
• Agrochemical Synthesis: Acts as a precursor for creating new generations of herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Ligand and Catalyst Development: Employed in organometallic chemistry to develop novel ligands and catalysts for asymmetric synthesis and other catalytic processes.
• Academic and Industrial R&D: A valuable reagent for fundamental chemical research exploring new reaction pathways and the properties of complex ring systems.
• Specialty Polymer Monomer: Investigated for the synthesis of high-performance polymers with unique thermal, mechanical, or optical properties.

Basic Information

Product Name	Thieno[3,4:3,4]Cyclobuta[1,2-D]-1,3-Dioxole (9Ci)
CAS No.	78480-32-7
Molecular Formula	C7H4O2S
Molecular Weight	152.17 g/mol
Synonyms	Thieno[3,4:3,4]cyclobuta[1,2-d][1,3]dioxole; 1,3-Dioxole, thieno[3,4:3,4]cyclobuta[1,2-d]-; 4,7-Epoxyisothianaphthene; Thieno[3,4-c]-1,3-dioxole; Cyclobuta[1,2-d]thieno[3,4-c][1,3]dioxole; 78480-32-7 (CAS); Thienodioxole derivative
EINECS	Contact for details

Quality Control

Every batch of Thieno[3,4:3,4]Cyclobuta[1,2-D]-1,3-Dioxole (9Ci) is produced and tested under strict quality management protocols to ensure consistency and purity for demanding R&D and scale-up applications. Our products undergo rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to verify identity and purity. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	< 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.