Description

4,4'-(Cyclopent-1-Ene-1,2-Diyl)Bis(5-Methylthiophene-2-Carbaldehyde) is a specialized organic building block featuring a unique fused-ring structure with aldehyde functional groups. This compound matters for its role as a critical precursor in the synthesis of advanced organic electronic materials and complex heterocyclic systems. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for creating novel functional molecules.

Application

• Organic Semiconductor Precursor: A key intermediate for synthesizing conjugated polymers and small molecules used in organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Pharmaceutical Intermediate: Serves as a versatile building block for constructing complex, drug-like heterocyclic cores in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of novel active ingredients with specific biological activity.
• Ligand and Catalyst Development: The aldehyde groups allow for the creation of novel chelating ligands for catalysis and sensing applications.
• Functional Dye and Pigment Chemistry: Acts as a starting material for synthesizing advanced chromophores with tailored optical properties.
• Material Science Research: Employed in the development of novel porous organic polymers (POPs) and covalent organic frameworks (COFs).

Basic Information

Product Name	4,4'-(Cyclopent-1-Ene-1,2-Diyl)Bis(5-Methylthiophene-2-Carbaldehyde)
CAS No.	219537-99-2
Molecular Formula	C₁₈H₁₆O₂S₂
Molecular Weight	328.45 g/mol
Synonyms	4,4'-(Cyclopent-1-ene-1,2-diyl)bis(5-methylthiophene-2-carboxaldehyde); 2,2'-(Cyclopent-1-ene-1,2-diyl)bis(5-methylthiophene-4-carbaldehyde); 5,5'-(Cyclopent-1-ene-1,2-diyl)bis(2-methylthiophene-3-carbaldehyde); 2,2'-(1,2-Cyclopentenediyl)bis[5-methyl-3-thiophenecarboxaldehyde]; 4,4'-(1,2-Cyclopentenediyl)bis(5-methyl-2-thiophenecarboxaldehyde); 5-Methyl-2-thiophenecarboxaldehyde, 4,4'-(1,2-cyclopentenediyl)bis-; 219537-99-2 (CAS).
EINECS	Contact for details

Quality Control

Our 4,4'-(Cyclopent-1-Ene-1,2-Diyl)Bis(5-Methylthiophene-2-Carbaldehyde) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR, MS), to ensure consistency and meet exacting R&D standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). For long-term storage, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	< 0.5%

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