Description

4-Cyano-3-Chlorobenzoic Acid is a high-purity, multifunctional aromatic building block of significant interest in advanced organic synthesis. Its molecular structure, featuring both a carboxylic acid and a nitrile group ortho to a chlorine substituent, makes it a versatile precursor for constructing complex molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzoic acid core.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, where its halogen and nitrile functionalities are leveraged for bioactivity.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands used in metal-catalyzed cross-coupling reactions and other catalytic processes.
• Material Science Research: Employed in the creation of monomers or additives for high-performance polymers and liquid crystals.
• Custom Synthesis and Contract Manufacturing: An essential starting material for custom synthesis houses serving the life sciences industry.

Basic Information

Product Name	4-Cyano-3-Chlorobenzoic Acid
CAS No.	1261685-26-0
Molecular Formula	C8H4ClNO2
Molecular Weight	181.58 g/mol
Synonyms	3-Chloro-4-cyanobenzoic Acid; Benzoic acid, 3-chloro-4-cyano-; 3-Chloro-4-carboxybenzonitrile; 4-Cyano-3-chlorobenzoic acid; 3-Chloro-4-cyanobenzoic acid; 4-Carboxy-2-chlorobenzonitrile
EINECS	Contact for details

Quality Control

Every batch of 4-Cyano-3-Chlorobenzoic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the precise requirements for research and commercial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Loss on Drying	≤1.0%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%
Single Impurity (HPLC)	≤0.5%
Total Impurities (HPLC)	≤2.0%

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