Description

4-Chloro-3-(4-Formylphenyl)Benzoic Acid is a high-value, multi-functional aromatic compound featuring both a carboxylic acid and a formyl group on a biphenyl-like scaffold. This unique structure makes it a versatile and critical advanced pharmaceutical intermediate (API) and a key building block in organic synthesis. It is primarily sought after by R&D and production teams in the pharmaceutical and agrochemical sectors for developing novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those targeting inflammatory and central nervous system disorders.
• Agrochemical Synthesis: Used as a building block for developing new-generation herbicides and fungicides with enhanced efficacy.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the development of organic semiconductors, liquid crystals, and polymers with specific optical or electronic properties.
• Custom Synthesis & Contract Manufacturing: A critical raw material for fine chemical companies offering bespoke synthesis services.

Basic Information

Product Name	4-Chloro-3-(4-Formylphenyl)Benzoic Acid
CAS No.	1261921-72-5
Molecular Formula	C14H9ClO3
Molecular Weight	260.67 g/mol
Synonyms	4'-Formyl-4-chloro-[1,1'-biphenyl]-3-carboxylic acid; 3-(4-Formylphenyl)-4-chlorobenzoic Acid; [1,1'-Biphenyl]-3-carboxylic acid, 4-chloro-4'-formyl-; 4-Chloro-3-(4-formylphenyl)benzoic acid; 4-Chloro-3-(4-carboxaldehyde phenyl)benzoic acid
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for this advanced intermediate. Production follows cGMP guidelines where applicable, and every batch is analyzed to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing results from HPLC, NMR, and other relevant analytical methods to meet your precise R&D or production requirements.

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). The compound may be light-sensitive; prolonged exposure should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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