Description

Thiophene, 3-Ethyl-2-Ethynyl- (9Ci) is a specialized heterocyclic organic compound featuring a thiophene core substituted with ethyl and ethynyl groups. This unique structure makes it a valuable high-purity building block for advanced chemical synthesis, particularly in the development of novel materials and active pharmaceutical ingredients. It is primarily sought after by research institutions and industrial R&D departments working in pharmaceuticals, agrochemicals, and organic electronics.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new pesticides, herbicides, and fungicides due to its bioactive heterocyclic scaffold.
• Material Science: Acts as a monomer or building block for conductive polymers, organic semiconductors, and advanced organic frameworks.
• Chemical Synthesis: Employed in organic chemistry research for cross-coupling reactions, cycloadditions, and the construction of complex molecular architectures.
• Ligand and Catalyst Development: Utilized to create novel ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	Thiophene, 3-Ethyl-2-Ethynyl- (9Ci)
CAS No.	173723-32-5
Molecular Formula	C8H8S
Molecular Weight	136.21 g/mol
Synonyms	3-Ethyl-2-ethynylthiophene; 2-Ethynyl-3-ethylthiophene; 3-Ethylthiophene-2-carbaldehyde, ethynyl-; (3-Ethyl-2-thienyl)acetylene
EINECS	Contact for details

Quality Control

Our Thiophene, 3-Ethyl-2-Ethynyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR analysis, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC/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.