Description

4-(Isonicotinoylamino)Benzoic Acid is a high-purity organic compound that serves as a critical building block in advanced chemical synthesis. Its bifunctional structure, featuring both a benzoic acid and an isonicotinamide moiety, makes it a versatile intermediate for creating complex molecules. This compound is primarily sought after by research institutions and pharmaceutical manufacturers for the development of new active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in anti-tubercular and other therapeutic research.
• Organic Synthesis Building Block: Used to construct complex molecular architectures in medicinal chemistry and material science.
• Ligand and Chelating Agent Precursor: Serves as a starting material for synthesizing specialized ligands used in catalysis and metal complexation.
• Bioconjugation and Linker Chemistry: Employed in the development of chemical linkers for antibody-drug conjugates (ADCs) and other bioconjugation applications.
• Research & Development: Essential compound for academic and industrial R&D labs exploring new chemical entities and reaction pathways.
• Fine Chemical Production: Intermediate in the manufacture of high-value, low-volume specialty chemicals for various industrial applications.

Basic Information

Product Name	4-(Isonicotinoylamino)Benzoic Acid
CAS No.	5651-66-1
Molecular Formula	C13H10N2O3
Molecular Weight	242.23 g/mol
Synonyms	4-(Pyridine-4-carbonylamino)benzoic acid; N-(4-Carboxyphenyl)isonicotinamide; p-(Isonicotinamido)benzoic acid; 4-Carboxy-N-(4-pyridyl)benzamide; Benzoic acid, 4-[(4-pyridinylcarbonyl)amino]-; Isonicotinic acid (4-carboxyanilide); 4-Aminobenzoic acid isonicotinoyl derivative
EINECS	Contact for details

Quality Control

Every batch of 4-(Isonicotinoylamino)Benzoic Acid is manufactured under strict quality management systems. Our products undergo rigorous analytical testing to ensure compliance with exacting purity standards suitable for research and pharmaceutical applications. A comprehensive Certificate of Analysis (COA), detailing identity, purity, and impurity profiles, is provided with each shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

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
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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