Description

Thiophene, 2-(Cyclopropylethynyl)- (9Ci) is a specialized heterocyclic building block featuring a thiophene core functionalized with a cyclopropylethynyl group. This compound is valued for its unique molecular architecture, which makes it a versatile intermediate in advanced organic synthesis and materials science. It is primarily sought after by researchers and process chemists in the pharmaceutical, agrochemical, and organic electronics industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, particularly for constructing complex heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the creation of novel pesticides and herbicides, where the thiophene moiety can contribute to biological activity.
• Organic Semiconductor Research: Acts as a precursor for π-conjugated molecules in the development of organic field-effect transistors (OFETs) and organic photovoltaics (OPVs).
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for catalysis or as a building block for metal-organic frameworks (MOFs).
• Material Science: Utilized in the preparation of advanced polymers and functional materials with tailored electronic or optical properties.
• Chemical Research: A valuable reagent for methodology development in organic chemistry, such as cross-coupling reactions and cycloadditions.

Basic Information

Product Name	Thiophene, 2-(Cyclopropylethynyl)- (9Ci)
CAS No.	445424-06-6
Molecular Formula	C9H8S
Molecular Weight	148.22 g/mol
Synonyms	2-(Cyclopropylethynyl)thiophene; 2-Cyclopropylethynylthiophene; Thiophene, 2-(2-cyclopropylethynyl)-; 2-(2-Cyclopropylethynyl)thiophene; 445424-06-6; 2-(Cyclopropylethinyl)thiophene
EINECS	Contact for details

Quality Control

Our Thiophene, 2-(Cyclopropylethynyl)- (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurities is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95% (Typical 97-99%)
Water Content	≤ 0.5%

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