Description

3-Furancarboxylic Acid, 5-Formyl- (9Ci) is a versatile heterocyclic building block featuring both carboxylic acid and aldehyde functional groups on a furan ring. This bifunctional nature makes it a critical intermediate for synthesizing complex molecules in advanced research and development. It is particularly valuable for pharmaceutical chemists and material scientists working on novel drug candidates, agrochemicals, and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds with furan-based heterocyclic cores.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive sites for structural diversification.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent for creating specialty polymers, coatings, and resins with tailored properties.
• Organic Synthesis & Research: An essential building block in academic and industrial R&D for constructing complex organic frameworks, including ligands for catalysis.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Product Name	3-Furancarboxylic Acid, 5-Formyl- (9Ci)
CAS No.	603999-19-5
Molecular Formula	C6H4O4
Molecular Weight	140.09 g/mol
Synonyms	5-Formyl-2-furoic Acid; 5-Formylfuran-2-carboxylic Acid; 2-Furoic Acid, 5-Formyl-; 5-Carboxy-2-furaldehyde; 5-Formyl-2-furancarboxylic Acid; 5-Formylpyromucic Acid; 5-Aldehydofuran-2-carboxylic Acid
EINECS	Contact for details

Quality Control

Our 3-Furancarboxylic Acid, 5-Formyl- (9Ci) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

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	≤ 0.1%

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