Description

5-Formyl-3-Thiophenecarboxylic Acid is a high-purity organic building block featuring both formyl and carboxylic acid functional groups on a thiophene core. This unique bifunctional structure makes it a versatile and valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and materials science industries for applications in drug discovery, ligand synthesis, and the creation of novel heterocyclic compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing thiophene scaffolds.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the thiophene moiety imparts specific biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating chelating ligands used in catalysis and metal-organic frameworks (MOFs).
• Organic Electronic Materials: A building block for π-conjugated systems in the research of organic semiconductors, OLEDs, and sensors.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new heterocyclic chemistry and synthesizing specialized fine chemicals.
• Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and pigments due to the electron-rich thiophene ring.

Basic Information

Product Name	5-Formyl-3-Thiophenecarboxylic Acid
CAS No.	89324-44-7
Molecular Formula	C6H4O3S
Molecular Weight	156.16 g/mol
Synonyms	3-Formyl-5-thiophenecarboxylic Acid; 3-Carboxy-5-formylthiophene; 5-Carboxy-2-thiophenecarboxaldehyde; 2-Formylthiophene-5-carboxylic Acid; Thiophene-3,5-dicarboxaldehyde (mono-acid); 89324-44-7; 5-Formylthiophene-3-carboxylic Acid
EINECS	Contact for details

Quality Control

Our 5-Formyl-3-Thiophenecarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound may be light-sensitive and hygroscopic; keep the container tightly sealed when not in use to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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