Description

5-Acetyl-Thiophene-3-Carbaldehyde is a versatile heterocyclic building block characterized by its reactive aldehyde and acetyl functional groups on a thiophene core. This compound matters as a critical intermediate for synthesizing complex molecules, enabling the development of novel materials and active ingredients. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and material science industries for creating new drug candidates, crop protection agents, and functional organic materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, leveraging its thiophene scaffold for bioactive molecule design.
• Material Science Research: Serves as a precursor for organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to its electron-rich thiophene structure.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Chemical Research: A valuable building block for heterocyclic and combinatorial chemistry, enabling the creation of diverse chemical libraries for screening.
• Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and organic pigments where the thiophene ring enhances color properties and stability.

Basic Information

Product Name	5-Acetyl-Thiophene-3-Carbaldehyde
CAS No.	41907-99-7
Molecular Formula	C7H6O2S
Molecular Weight	154.19 g/mol
Synonyms	3-Acetyl-5-formylthiophene; 5-Formyl-3-acetylthiophene; 3-Acetylthiophene-5-carboxaldehyde; 1-(5-Formylthiophen-3-yl)ethanone; 5-Acetyl-3-thiophenecarboxaldehyde; Thiophene-3-carboxaldehyde, 5-acetyl-; 3-Acetyl-5-thiophenecarboxaldehyde
EINECS	Contact for details

Quality Control

Our 5-Acetyl-Thiophene-3-Carbaldehyde is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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