Description

4-Benzoxazolecarboxylic Acid is a versatile heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its role as a key precursor for constructing complex molecular architectures, particularly in the development of pharmaceuticals and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries who require high-purity intermediates for active pharmaceutical ingredient (API) synthesis and specialty chemical production.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the creation of advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development, catalysis studies, and exploring new reaction pathways.
• Coordination Chemistry Ligand: Its carboxylic acid and nitrogen-containing heterocycle make it a potential ligand for metal-organic frameworks (MOFs) and catalysts.

Basic Information

Product Name	4-Benzoxazolecarboxylic Acid
CAS No.	208772-23-0
Molecular Formula	C8H5NO3
Molecular Weight	163.13 g/mol
Synonyms	1,3-Benzoxazole-4-carboxylic Acid; Benzo[d]oxazole-4-carboxylic Acid; 4-Carboxybenzoxazole; 4-Benzoxazolecarboxylic Acid; 4-Benzoxazolylcarboxylic Acid; 4-Carboxy-1,3-benzoxazole; 208772-23-0; Benzoxazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4-Benzoxazolecarboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, 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 each shipment and is available upon request.

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). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.