Description

2-Thiophenecarboxaldehyde, 2-Ethenyl-2,3-Dihydro- (9Ci) is a specialized heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its unique structure, featuring both a thiophene ring and a reactive aldehyde group, makes it a valuable precursor for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the creation of novel pesticides and herbicides, where the thiophene moiety can contribute to specific biological activity and environmental profiles.
• Material Science Precursor: Acts as a monomer or functionalizing agent in the synthesis of conductive polymers, organic semiconductors, and advanced organic frameworks (MOFs/COFs).
• Ligand and Catalyst Development: Employed in the design of novel chelating ligands for transition metal catalysts used in asymmetric synthesis and cross-coupling reactions.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex fragrance molecules, dyes, and other high-value specialty chemicals.

Basic Information

Product Name	2-Thiophenecarboxaldehyde, 2-Ethenyl-2,3-Dihydro- (9Ci)
CAS No.	225217-89-0
Molecular Formula	C7H8OS
Molecular Weight	140.20 g/mol
Synonyms	2-Vinyl-2,3-dihydrothiophene-5-carboxaldehyde; 5-Formyl-2-vinyl-2,3-dihydrothiophene; 2,3-Dihydro-2-vinylthiophene-5-carbaldehyde; 2-Ethenyl-2,3-dihydrothiophene-5-carboxaldehyde; 2-Vinyl-4,5-dihydrothiophene-5-carboxaldehyde; 5-Aldehyde-2-vinyl-2,3-dihydrothiophene
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch of 2-Thiophenecarboxaldehyde, 2-Ethenyl-2,3-Dihydro- (9Ci) is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from heat, sparks, and open flame. Due to its sensitivity, minimize exposure to air and moisture during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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