Description

3-Thiophenecarboxaldehyde, 4,5-Dihydro-2,5-Dimethyl- (9Ci) is a specialized heterocyclic aldehyde building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel pharmaceuticals, agrochemicals, and functional materials, where its unique thiophene core imparts valuable electronic and structural properties. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to create innovative molecules with tailored functionalities.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in drug discovery programs targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new generation pesticides, herbicides, and fungicides, where the thiophene moiety can enhance biological activity and environmental profile.
• Material Science Research: Acts as a monomer or precursor for conducting polymers, organic semiconductors, and non-linear optical (NLO) materials due to the electron-rich nature of the thiophene ring.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for asymmetric catalysis and metal-organic frameworks (MOFs), enabling more efficient and selective chemical transformations.
• Flavor and Fragrance Chemistry: Investigated as a potential intermediate for creating complex sulfur-containing aroma molecules, contributing to unique sensory profiles.
• Academic and Industrial R&D: A valuable reagent for methodological studies in organic chemistry, including cycloaddition reactions and the development of new synthetic methodologies.

Basic Information

Product Name	3-Thiophenecarboxaldehyde, 4,5-Dihydro-2,5-Dimethyl- (9Ci)
CAS No.	753410-85-4
Molecular Formula	C7H10OS
Molecular Weight	142.22 g/mol
Synonyms	4,5-Dihydro-2,5-dimethyl-3-thiophenecarboxaldehyde; 2,5-Dimethyl-4,5-dihydrothiophene-3-carbaldehyde; 3-Formyl-2,5-dimethyl-2,3-dihydrothiophene; 2,5-Dimethyl-4,5-dihydrothiophene-3-carboxaldehyde; 2,3-Dihydro-2,5-dimethyl-3-thiophenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxaldehyde, 4,5-Dihydro-2,5-Dimethyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are 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) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach ambient temperature before opening to minimize moisture ingress and degradation.

Specification

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