Description

2-Chlorooxazole-4-Carboxylic Acid is a versatile and high-value heterocyclic building block essential for advanced organic synthesis. Its core value lies in its reactive chloro and carboxylic acid functional groups, which enable precise molecular construction for creating complex target compounds. This intermediate is critically needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting oxazole-based scaffolds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides that require the oxazole moiety for biological activity.
• Material Science Precursor: Serves as a building block for creating specialized polymers, ligands, or organic electronic materials with tailored properties.
• Chemical Biology Probe Synthesis: Employed in the construction of molecular probes and inhibitors for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for clients.

Basic Information

Product Name	2-Chlorooxazole-4-Carboxylic Acid
CAS No.	706789-07-3
Molecular Formula	C4H2ClNO3
Molecular Weight	147.52 g/mol
Synonyms	2-Chloro-1,3-oxazole-4-carboxylic acid; 4-Carboxy-2-chlorooxazole; 2-Chlorooxazole-4-carboxylic acid; Oxazole-4-carboxylic acid, 2-chloro-; 706789-07-3; 2-Chloro-oxazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 2-Chlorooxazole-4-Carboxylic Acid is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, meeting the exacting standards required for research and development. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality systems are designed to support regulatory filings in target industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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