5-Bromo-2,1,3-benzothiadiazole
5-Bromo-2,1,3-benzothiadiazole (CAS: 1753-75-9) is a halogenated heterocyclic compound with the molecular formula C6H3BrN2S and a molecular weight of 215.07 g/mol. This versatile building block is integral to organic synthesis, particularly in the construction of complex molecules within medicinal chemistry and materials science. Its structure facilitates a range of chemical transformations, making it a valuable intermediate for researchers and manufacturers.
- IUPAC
- 5-Bromobenzo[c][1,2,5]thiadiazole
- Synonyms
- 1753-75-9C6H3BrN2S5-Bromobenzo[c][1,2,5]thiadiazole

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of more complex organic molecules. Its reactive sites allow for diverse functionalisation, aiding in the creation of novel compounds for research and development.
Medicinal Chemistry Research
Utilised in the development of potential pharmaceutical agents. The benzothiadiazole core is present in various biologically active compounds, and bromination offers a handle for further chemical modification.
Materials Science
Incorporated into the design of new materials, potentially including organic electronics and optoelectronic devices. The heterocyclic structure can influence electronic and optical properties.
| Molecular weight | 215.07 |
|---|---|
| Empirical formula | C6H3BrN2S |

Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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 5-Bromo-2,1,3-benzothiadiazole used for?
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5-Bromo-2,1,3-benzothiadiazole (CAS: 1753-75-9) is primarily used as a building block and intermediate in organic synthesis, finding applications in medicinal chemistry research and materials science.
What are the CAS number and chemical formula for 5-Bromo-2,1,3-benzothiadiazole?
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The CAS number for 5-Bromo-2,1,3-benzothiadiazole is 1753-75-9, and its molecular formula is C6H3BrN2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Bromo-2,1,3-benzothiadiazole typically as a research or technical grade material. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards unless explicitly stated in the product specifications.
How should 5-Bromo-2,1,3-benzothiadiazole be handled safely?
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According to GHS information, 5-Bromo-2,1,3-benzothiadiazole is harmful if swallowed (H302) and causes serious eye irritation (H319). Handle with appropriate personal protective equipment and follow standard laboratory safety procedures. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is 5-Bromo-2,1,3-benzothiadiazole a controlled substance?
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The provided data does not indicate that 5-Bromo-2,1,3-benzothiadiazole is a controlled substance.
How is 5-Bromo-2,1,3-benzothiadiazole packed and shipped?
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5-Bromo-2,1,3-benzothiadiazole is packed securely according to industry standards for chemical transport and can be exported globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of 5-Bromo-2,1,3-benzothiadiazole, please contact the Tech Serve Solutions sales team via the website or direct inquiry.
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