Description

4-Thiepincarboxaldehyde, 2,5-Dihydro- (9Ci) is a specialized heterocyclic aldehyde building block of significant interest in advanced organic synthesis. Its unique thiepine core structure makes it a valuable precursor for constructing complex sulfur-containing molecules, which are pivotal in the development of novel pharmaceuticals and agrochemicals. This compound is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and material science industries for creating new 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 other therapeutic areas.
• Agrochemical Synthesis: Used in the creation of novel pesticides, herbicides, and fungicides where the sulfur heterocycle imparts specific biological activity.
• Material Science Research: Acts as a monomer or precursor for developing advanced polymers and organic electronic materials with unique conductive or optical properties.
• Ligand and Catalyst Development: Employed in the synthesis of novel chiral ligands and organocatalysts for asymmetric synthesis applications.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes and enzyme mechanisms.

Basic Information

Product Name	4-Thiepincarboxaldehyde, 2,5-Dihydro- (9Ci)
CAS No.	201046-32-4
Molecular Formula	C6H8OS
Molecular Weight	128.19 g/mol
Synonyms	2,5-Dihydro-4-thiepincarboxaldehyde; 2,5-Dihydrothiepin-4-carboxaldehyde; 4-Thiepinecarboxaldehyde, 2,5-dihydro-; 2,3,6,7-Tetrahydro-1-benzothiophene-4-carbaldehyde; 2,3,6,7-Tetrahydrothiepin-4-carbaldehyde; 4-Formyl-2,5-dihydrothiepin
EINECS	Contact for details

Quality Control

Our production of 4-Thiepincarboxaldehyde, 2,5-Dihydro- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and 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 under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Due to its sensitivity to oxidation, the container should be kept sealed under positive pressure of inert gas after each use to maintain product integrity.

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.