2,6-Dichlorobenzothiazole
2,6-Dichlorobenzothiazole (CAS: 3622-23-9) is a halogenated heterocyclic compound with the molecular formula C7H3Cl2NS and a molecular weight of 204.08 g/mol. It serves as a valuable building block in organic synthesis, particularly within the pharmaceutical and agrochemical sectors. Its structure lends itself to the development of novel compounds through chemical modification, making it a key intermediate for researchers and manufacturers.
- Synonyms
- C7H3Cl2NS

Pharmaceutical Intermediate
2,6-Dichlorobenzothiazole is employed as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs). Its benzothiazole core is a common scaffold in medicinal chemistry, enabling the creation of compounds with diverse therapeutic properties.
Agrochemical Synthesis
This compound can be utilised in the development of new agrochemicals. The incorporation of the dichlorobenzothiazole moiety may impart desirable biological activity for crop protection applications.
Organic Synthesis Building Block
As a versatile building block, 2,6-Dichlorobenzothiazole is used in a wide array of organic transformations. Researchers leverage its reactive sites for constructing complex molecular architectures for various chemical research and development projects.
| Molecular weight | 204.08 |
|---|---|
| Empirical formula | C7H3Cl2NS |
| Assay | 97% |
| Melting point | 96-100 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,6-Dichlorobenzothiazole used for?
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2,6-Dichlorobenzothiazole is primarily used as a building block in organic synthesis, finding applications in the development of pharmaceuticals and agrochemicals.
What are the CAS number and chemical formula for 2,6-Dichlorobenzothiazole?
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The CAS number for 2,6-Dichlorobenzothiazole is 3622-23-9, and its empirical formula is C7H3Cl2NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Dichlorobenzothiazole with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,6-Dichlorobenzothiazole be handled safely?
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2,6-Dichlorobenzothiazole is classified as an irritant (H315, H319, H335). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust/fume/gas/mist/vapours/spray.
Is 2,6-Dichlorobenzothiazole a controlled substance?
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The provided data does not indicate that 2,6-Dichlorobenzothiazole is a controlled substance.
How is 2,6-Dichlorobenzothiazole packed, shipped, and exported?
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2,6-Dichlorobenzothiazole is carefully packed to ensure safe transit. As a global supplier and exporter, Tech Serve Solutions adheres to all relevant shipping regulations for chemical products.
How can I request a quote or sample of 2,6-Dichlorobenzothiazole?
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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or by calling us directly. Specify the product name and CAS number (3622-23-9) in your request.
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