Description

3,4-Pyridinedicarboxylic Acid Anhydride is a versatile heterocyclic anhydride building block of significant importance in advanced organic synthesis. Its rigid pyridine core fused with a reactive anhydride moiety makes it a critical precursor for constructing complex molecular architectures, particularly in pharmaceutical and materials science research. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers who require high-purity, reliable synthetic intermediates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug molecules, particularly those containing fused heterocyclic systems for neurological and oncological targets.
• Agrochemical Synthesis: Used in the development of novel herbicides and insecticides, where the pyridine ring contributes to biological activity.
• Ligand and Chelator Precursor: Serves as a starting material for synthesizing polydentate ligands used in catalysis and metal ion chelation.
• Polymer and Material Science: Employed in the creation of polyimides and other high-performance polymers with enhanced thermal stability for electronic and coating applications.
• Organic Synthesis Reagent: Utilized in various condensation and ring-opening reactions to introduce the 3,4-pyridinedicarboxylic acid moiety into target molecules.

Basic Information

Product Name	3,4-Pyridinedicarboxylic Acid Anhydride
CAS No.	466-48-8
Molecular Formula	C7H3NO3
Molecular Weight	149.10 g/mol
Synonyms	3,4-Pyridinedicarboxylic Anhydride; 1H-Pyrido[3,4-c]furan-1,3(3H)-dione; 3,4-Pyridinedicarboxylic Acid Cyclic Anhydride; 3,4-Pyridine Dicarboxylic Anhydride; 3,4-Pyridinedicarboxylic-3,4-anhydride; Pyridine-3,4-dicarboxylic Acid Anhydride; 3,4-PDCA Anhydride
EINECS	Contact for details

Quality Control

Our 3,4-Pyridinedicarboxylic Acid Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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