Description

5,7-Dichloro-2(3H)-Benzothiazolone is a high-purity, halogenated heterocyclic compound serving as a critical advanced intermediate in organic synthesis. Its value lies in its unique benzothiazolone scaffold, which is functionalized with chlorine atoms at strategic positions, making it a versatile building block for creating complex molecules. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality intermediates for drug discovery and material science applications.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and insecticides, leveraging the bioactivity of the benzothiazolone core.
• Material Science Research: Used in the development of organic electronic materials, dyes, and photoactive compounds due to its electron-accepting properties.
• Chemical Biology Probes: Serves as a scaffold for creating molecular probes and inhibitors for studying enzyme function and biological pathways.
• Organic Synthesis: A versatile reagent for constructing complex heterocyclic systems through cross-coupling, cyclization, and functional group transformation reactions.

Basic Information

Product Name	5,7-Dichloro-2(3H)-Benzothiazolone
CAS No.	898747-80-3
Molecular Formula	C7H3Cl2NOS
Molecular Weight	220.08 g/mol
Synonyms	5,7-Dichloro-2-benzothiazolinone; 5,7-Dichloro-1,3-benzothiazol-2(3H)-one; 5,7-Dichloro-2-hydroxybenzothiazole; 2(3H)-Benzothiazolone, 5,7-dichloro-; 5,7-Dichloro-2-oxo-2,3-dihydro-1,3-benzothiazole; 5,7-Dichloro-2-benzothiazolol; NSC 405124
EINECS	Contact for details

Quality Control

Our 5,7-Dichloro-2(3H)-Benzothiazolone is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to cGMP and ISO 9001 standards guarantees a reliable supply of this high-value intermediate for your most demanding synthesis projects.

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). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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