Description

3-Thiophenecarboxaldehyde, 2-Ethyltetrahydro- (9Ci) is a specialized heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its core value lies in its unique molecular architecture, which combines a saturated tetrahydrothiophene ring with an aldehyde functional group, making it a versatile precursor for creating complex sulfur-containing molecules. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries who require high-purity intermediates for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel drug candidates, particularly those targeting the central nervous system or requiring specific sulfur-based pharmacophores.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides where the thiophene moiety contributes to biological activity and selectivity.
• Ligand and Catalyst Development: Acts as a precursor for synthesizing specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the development of organic semiconductors, conductive polymers, and other electronic materials due to the electron-rich nature of the thiophene ring.
• Flavor and Fragrance Chemistry: Utilized as a building block for creating complex sulfur-containing aroma compounds, where subtle structural changes can significantly alter scent profiles.

Basic Information

Product Name	3-Thiophenecarboxaldehyde, 2-Ethyltetrahydro- (9Ci)
CAS No.	159195-12-7
Molecular Formula	C7H12OS
Molecular Weight	144.23 g/mol
Synonyms	2-Ethyltetrahydrothiophene-3-carboxaldehyde; 2-Ethyl-4,5-dihydro-3-thiophenecarboxaldehyde; Tetrahydro-2-ethyl-3-thiophenecarboxaldehyde; 3-Formyl-2-ethyltetrahydrothiophene; 2-Ethyltetrahydro-3-thiophenecarbaldehyde; 2-Ethyl-3-thiophenecarboxaldehyde, tetrahydro-; 2-Ethyl-3-formyltetrahydrothiophene
EINECS	Contact for details

Quality Control

Our production of 3-Thiophenecarboxaldehyde, 2-Ethyltetrahydro- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques, including GC, HPLC, and NMR, to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 3.0%
Individual Unknown Impurity	≤ 0.5%

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