2-(Chloromethyl)benzothiazole
2-(Chloromethyl)benzothiazole (CAS 37859-43-1) is a heterocyclic organic compound with the molecular formula C8H6ClNS and a molecular weight of 183.66 g/mol. This building block is primarily utilised in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its structure makes it a valuable intermediate for introducing the benzothiazole moiety into larger molecules. Tech Serve Solutions offers this compound for research and development purposes.

Heterocyclic Synthesis
2-(Chloromethyl)benzothiazole serves as a key intermediate in the synthesis of various complex heterocyclic compounds. Its reactive chloromethyl group allows for facile nucleophilic substitution reactions, enabling the construction of new carbon-heteroatom bonds.
Pharmaceutical Intermediates
This compound can be employed in the multi-step synthesis of potential pharmaceutical agents. Benzothiazole derivatives are known to exhibit a wide range of biological activities, making them attractive scaffolds in drug discovery.
Materials Science Research
The benzothiazole core is a component of some functional materials. 2-(Chloromethyl)benzothiazole may be used in research exploring novel organic electronic materials or polymers incorporating this heterocyclic unit.
| Molecular weight | 183.66 |
|---|---|
| Empirical formula | C8H6ClNS |
| Assay | ≥97% (HPLC)97% |
| Storage temperature | −20°C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41-43 |
| Safety statements (S) | 26-36/37-39 |
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-(Chloromethyl)benzothiazole used for?
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2-(Chloromethyl)benzothiazole (CAS 37859-43-1) is a chemical building block primarily used in organic synthesis, especially for creating heterocyclic compounds and potential pharmaceutical intermediates.
What is the CAS number and molecular formula for 2-(Chloromethyl)benzothiazole?
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The CAS number is 37859-43-1 and the empirical formula is C8H6ClNS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-(Chloromethyl)benzothiazole with an assay of ≥97% (HPLC). This is a research-grade chemical and not represented as USP, BP, EP, or other pharmacopoeia grades.
What are the safety considerations for handling 2-(Chloromethyl)benzothiazole?
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Danger: Causes serious eye damage, is harmful if swallowed, causes skin irritation, and may cause an allergic skin reaction and respiratory irritation. Handle with appropriate personal protective equipment in a well-ventilated area, avoiding contact with skin, eyes, and clothing.
How is 2-(Chloromethyl)benzothiazole packaged and shipped?
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2-(Chloromethyl)benzothiazole is typically stored at -20°C. We ensure compliant packaging and expert handling for export worldwide, adhering to all international shipping regulations for chemical products.
How can I request a quote or sample for 2-(Chloromethyl)benzothiazole?
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Please contact our sales team via the website or by phone to request a quotation or a sample of 2-(Chloromethyl)benzothiazole.
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