Description

2-Chloro-5-Hydroxybenzothiazole is a versatile and high-value heterocyclic building block, primarily utilized as a key intermediate in advanced organic synthesis. Its molecular structure, featuring both chloro and hydroxy substituents on the benzothiazole core, makes it a critical precursor for developing active pharmaceutical ingredients (APIs) and specialty agrochemicals. This compound is essential for research and production facilities in the pharmaceutical, agrochemical, and material science industries seeking to synthesize complex molecules with specific biological or functional properties.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in developing benzothiazole-based therapeutics with potential antimicrobial, anti-inflammatory, or anticancer activity.
• Agrochemical Synthesis: Serves as a key precursor in the manufacture of advanced herbicides, fungicides, and insecticides, where the benzothiazole moiety contributes to biological efficacy.
• Material Science Research: Used in the development of organic electronic materials, dyes, and fluorescent markers due to its conjugated aromatic system.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring new organic reactions and creating libraries of heterocyclic compounds for screening.
• Ligand and Catalyst Preparation: Useful for synthesizing specialized ligands for metal complexes used in catalytic processes.

Basic Information

Product Name	2-Chloro-5-Hydroxybenzothiazole
CAS No.	1261737-67-0
Molecular Formula	C7H4ClNOS
Molecular Weight	185.63 g/mol
Synonyms	5-Hydroxy-2-chlorobenzothiazole; 2-Chloro-5-hydroxy-1,3-benzothiazole; 2-Chlorobenzothiazol-5-ol; 1,3-Benzothiazole, 2-chloro-5-hydroxy-; 2-Chloro-5-hydroxybenzothiazole; 2-Chloro-5-hydroxybenzo[d]thiazole
EINECS	Contact for details

Quality Control

Our 2-Chloro-5-Hydroxybenzothiazole is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the stringent requirements of our global B2B clients. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance.

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 incompatible materials such as strong oxidizing agents. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%
Heavy Metals	≤ 20 ppm

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