Description

5-Nitro-Benzooxazole-2-Carboxylic Acid is a high-purity, versatile organic intermediate characterized by its nitro-substituted benzooxazole core. This compound is valued for its role as a critical building block in the synthesis of complex molecules, particularly in advanced pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or possessing complex heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its bioactive scaffold.
• Organic Light-Emitting Diodes (OLEDs): Serves as a starting material for developing electron-transport or emissive layer materials in electronic displays.
• Coordination Chemistry & Ligand Synthesis: The carboxylic acid and heterocyclic nitrogen atoms make it a useful building block for creating chelating ligands for metal catalysts.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized nitro- and heterocycle-based dyes for technical applications.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Item	Details
Product Name	5-Nitro-Benzooxazole-2-Carboxylic Acid
CAS No.	49559-67-3
Molecular Formula	C8H4N2O5
Molecular Weight	208.13 g/mol
Synonyms	5-Nitro-1,3-benzoxazole-2-carboxylic acid; 2-Carboxy-5-nitrobenzoxazole; 5-Nitro-2-benzoxazolecarboxylic acid; Benzooxazole-2-carboxylic acid, 5-nitro-; 49559-67-3; 5-Nitrobenzo[d]oxazole-2-carboxylic acid
EINECS	Contact for details

Quality Control

Every batch of 5-Nitro-Benzooxazole-2-Carboxylic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards, and comprehensive analytical testing is performed to guarantee identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specification results 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 place at room temperature (15-25°C). Keep away from strong acids and incompatible materials. The container must be kept tightly closed to prevent contamination and moisture absorption.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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