Description

2-Oxo-2,3-Dihydro-Benzooxazole-5-Carboxylic Acid is a high-value heterocyclic carboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its unique benzooxazole scaffold makes it a versatile building block for constructing complex molecules with targeted biological and material properties. This compound is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery and functional material synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological and inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides and fungicides, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a building block for electron-transport or host materials in OLED displays and lighting due to its rigid, conjugated structure.
• Ligand and Catalyst Development: The carboxylic acid and oxazole nitrogen provide coordination sites for developing novel metal-organic complexes and catalysts.
• Polymer Modification: Incorporated into polymer backbones to impart specific thermal, optical, or mechanical properties to high-performance engineering plastics.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.

Basic Information

Product Name	2-Oxo-2,3-Dihydro-Benzooxazole-5-Carboxylic Acid
CAS No.	65422-72-2
Molecular Formula	C8H5NO4
Molecular Weight	179.13 g/mol
Synonyms	5-Carboxy-2-benzoxazolinone; 2-Benzoxazolinone-5-carboxylic acid; 2-Hydroxybenzoxazole-5-carboxylic acid; 5-Carboxy-2(3H)-benzoxazolone; Benzo[d]oxazol-2(3H)-one-5-carboxylic acid; 2-Oxo-2,3-dihydrobenzo[d]oxazole-5-carboxylic acid; 5-Carboxy-2-oxo-2,3-dihydrobenzoxazole
EINECS	Contact for details

Quality Control

Our 2-Oxo-2,3-Dihydro-Benzooxazole-5-Carboxylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for your most demanding R&D and scale-up projects.

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, strong bases, and sources of heat. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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