Description

5-Chlorobenzooxazole-2-Thiol is a versatile heterocyclic building block and key intermediate in organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients and advanced materials. Industries such as pharmaceuticals, agrochemicals, and material science rely on this high-purity intermediate for research, process development, and commercial manufacturing.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, particularly those with benzoxazole or thiol-based pharmacophores.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and pesticides, leveraging its bioactive heterocyclic core.
• Material Science Research: Serves as a monomer or functionalizing agent in the creation of specialty polymers, ligands, and organic electronic materials.
• Chemical Research & Development: Employed as a standard reagent or building block in medicinal chemistry and process optimization studies.
• Dye and Pigment Industry: Acts as an intermediate for synthesizing specific heterocyclic dyes and colorants.

Basic Information

Item	Details
Product Name	5-Chlorobenzooxazole-2-Thiol
CAS No.	22876-19-3
Molecular Formula	C7H4ClNOS
Molecular Weight	185.63 g/mol
Synonyms	5-Chloro-1,3-benzoxazole-2-thiol; 5-Chloro-2-mercaptobenzoxazole; 2-Mercapto-5-chlorobenzoxazole; 5-Chloro-2-benzoxazolethiol; 5-Chlorobenzo[d]oxazole-2(3H)-thione; 22876-19-3; 5-Chloro-2(3H)-benzoxazolethione
EINECS	Contact for details

Quality Control

Our 5-Chlorobenzooxazole-2-Thiol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store the material under an inert atmosphere for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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