5-Bromo-1-methylindole
5-Bromo-1-methylindole (CAS 10075-52-2), with the molecular formula C9H8BrN and a molecular weight of 210.07 g/mol, is a halogenated indole derivative. This compound serves as a valuable building block in organic synthesis, particularly for the construction of more complex heterocyclic molecules. Its applications span various fields requiring specialised chemical intermediates, contributing to advancements in materials science and pharmaceutical research.
- IUPAC
- 5-Bromo-1-methyl-1H-indole,N-Methyl-5-bromoindole

Organic Synthesis Intermediate
5-Bromo-1-methylindole is frequently employed as a key intermediate in the synthesis of diverse organic compounds. The bromine atom provides a reactive site for cross-coupling reactions and other functional group transformations.
Pharmaceutical Research
As a heterocyclic building block, this compound is utilised in the development of novel pharmaceutical agents. Its indole core is a common structural motif in many biologically active molecules.
Materials Science
The unique electronic and structural properties of indole derivatives make them attractive for applications in materials science, including the development of organic electronic materials and functional polymers.
| Molecular weight | 210.07 |
|---|---|
| Empirical formula | C9H8BrN |
| Assay | 97% |
| Melting point | 39-43 °C |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- 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
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
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 5-Bromo-1-methylindole used for?
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5-Bromo-1-methylindole is primarily used as a building block in organic synthesis and in pharmaceutical research for the development of new drug candidates and other complex organic molecules.
What are the CAS number and formula for 5-Bromo-1-methylindole?
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The CAS number for 5-Bromo-1-methylindole is 10075-52-2, and its molecular formula is C9H8BrN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Bromo-1-methylindole with an assay of 97%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations for handling 5-Bromo-1-methylindole?
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5-Bromo-1-methylindole is classified as Danger. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye damage (H318), and may cause respiratory irritation (H335). Always handle with appropriate personal protective equipment in a well-ventilated area.
How is 5-Bromo-1-methylindole shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, capable of arranging shipment and export of 5-Bromo-1-methylindole to various international destinations.
How can I request a quote or sample for 5-Bromo-1-methylindole?
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To request a quote or sample for 5-Bromo-1-methylindole, please contact our sales team through the website or via direct enquiry, providing your specific requirements.
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